Questions Asked on
September 11, 2011

  1. Chemistry

    In 1909, Robert Millikan performed an experiment involving tiny, charged drops of oil. The drops were charged because they had picked up extra electrons. Millikan was able to measure the charge on each drop in coulombs. Here is an example of what his data

    asked by Anonymous
  2. Chemistry

    Write the Lewis structure for each ion Al3+ Mg3+ Se2- N3- My question is why does Se2- get a bracket and 8 dots. And the same for N3-. I hope I'm making sense.

    asked by Monique
  3. scientist

    Which of the following BEST describes the theory of natural selection?

    asked by chris
  4. chemistry

    combustion analysis of a hydrocarbon produced: 33.01 g CO2 and 13.51 g H2O Calculate the empirical formula of the Hydrocarbon. I got CH5 but that doesn't seem right? how do i do this problem?

    asked by ALISON
  5. Physical Science

    A force of 10 N is used to lift a 600-g ball from the ground to a height of 1.8 m, when it is let go. What is the speed of the ball when it is let go??

    asked by Jason
  6. chemistry

    Find the concentration of Cu+ in equilibrium with CuBr(s) and 0.10 M Br-.

    asked by kelly
  7. Physics

    A basketball player runs down the court, following the path indicated by the vectors A, B, and C in the figure. The magnitudes of these three vectors are: A = 12.0 m, B = 17.0 m, and C = 7.0 m. Let the +x-axis point to the right and the +y-axis point to

    asked by !!!!
  8. Math(Please help)

    The radius of a niobium atom is 131 pm. How many niobium atoms would have to be laid side by side to span a distance of 1.4 mm?? I know that 10^9 is pm or is it -9??

    asked by Hannah
  9. Informal Logic

    21{4[1(10)54]}> Choose the pair of words/phrases among the choices that exhibits the same logical relationship as the words/phrases in the following pair. heavy : weight (Points : 1)

    asked by Myra
  10. Pre-Calc

    Find three examples of the Fibonacci sequence in nature. Write a paragraph for each example. For each example, address the following questions: How does the example relate to the Fibonacci sequence? What portions of each item or situation display the

    asked by Anonymous
  11. Physics

    A person driving her car at 54 km/h approaches an intersection just as the traffic light turns yellow. She knows that the yellow light lasts only 2.0 s before turning to red, and she is 30 m away from the near side of the intersection. The intersection is

    asked by Sydney
  12. Logic

    Choose the pair of words/phrases among the choices that exhibits the same logical relationship as the words/phrases in the following pair. heavy : weight dry : wet feather : scale #hot : temperature color : size I placed a # next tom my answer.

    asked by Charles
  13. Physical Science

    An escalator 14 m long is carrying a 70-kg person from one floor to another 8 m higher. The escalator has a speed of 1.0m/s. How much work does the escalator do in carrying the person to the top?

    asked by Help
  14. ???how do i thank Ms.Sue

    Thank you

    asked by Damon
  15. Physical Science

    A force of 10 N is used to lift a 600-g ball from the ground to a height of 1.8 m, when it is let go. What is the speed of the ball when it is let go??

    asked by Jason (please help)
  16. physics

    A force of 10N is used to lift a 600-g ball from the ground to a height of 1.8 m, when it is let go, What is the speed of the ball when it is let go?

    asked by hogs
  17. College Algebra (Functions)

    The relation is a function containing two ordered pairs. Reversing the components in each ordered pair results in a relation that is not a function. A) {(0, 2), (0, 3)} B) {(2, 3), (3, 2)} C) {(3, 1), (4, 1)} D) {(4, 5), (2, 3)}

    asked by Sydney
  18. Math(Please check! Thank you!!)

    metric system conversions 1)3.68kg = ? g (3.68 kg) (10^-3 / 1kg) = 3.68 x 10^-2 g 2) 568cm = ? m (568cm) (1 m /100cm) = 5.68 m Are these correct?

    asked by Hannah
  19. Math

    Eggplants in Thailand are 1.24 baht per kilogram, where one dollar is worth 1.37 baht. What is the price of eggplants in dollars per pound?

    asked by Julie
  20. TRIG

    A 5.5 ft tall woman casts a 6.2 ft shadow. Find the angle of elevation of the sun.

    asked by Samantha
  21. chem

    How many KJ are released when 75.0g of steam at 100 degree C condenses cools to 0 degree C and freezes at 0 degree C? I set it up like this but it is wrong, What am I doing wrong: 75g x 2260J/1g water x 1Kj/1000J =

    asked by Sue
  22. Physics

    A truck speed increases uniformly from 10 m/s to 30 m/s in 20 seconds. Find the ff: a. average speed b. acceleration c. distance covered during the period

    asked by mia
  23. Physical Science

    A force of 10 N is used to lift a 600-g ball from the ground to a height of 1.8 m, when it is let go. What is the speed of the ball when it is let go??

    asked by Help
  24. Algebra 2

    6x=9y-21. 6y=4x+14 plz help...I can't figure out how to do this problem using linear equations with two variables

    asked by Matt
  25. Finite Math

    Solve the system of linear equations, using the Gauss-Jordan elimination method. (If there is no solution, enter NO SOLUTION. If there are infinitely many solutions involving one parameter, enter the solution using t for the last variable. If the solution

    asked by Dee
  26. Physics - Significant figures

    State the number of significant figures. 1) 809 Answer : 3 2) 0.0060 Answer : 5? 3) 0.00000095 Answer : 9? 4) 5.60 Answer : 3 5) 5.743 Answer : 4 6) 0.010 Answer : 4?

    asked by Anonymous
  27. Government Us

    Compared to Supreme Court nominations, those for the lower federal courts a. are, although much greater in number, irrelevant to a president's policy agenda. b. are not subject to partisan consideration. c. have a much greater probability of being rejected

    asked by HM
  28. Government US

    The United States has two court systems, state and federal. The federal system a. has discretionary jurisdiction over all cases arising in the state system. c. is the only one based on the constitutional doctrine of the separation of powers. e. None of

    asked by HM
  29. chemistry

    would you expect the absorbance to be higher or lower if the dilution of one of the solutions went under the calibration mark on the volumetric flask.

    asked by irene
  30. chemistry

    write the balanced chemical equation for the reaction that occurs when water is added to anhydrous BaCl2. would it be BaCl2+2H2o --> BaCl2+2H2O

    asked by jess
  31. History

    The biography of nelson mandela

    asked by Brenda
  32. English

    This is about The perfect Picture- byJames Thom What purpose does Thom's introduction serve and how did it affect you? How would the meaning of Thom's essay change if his essay started with paragraph 2 instead?

    asked by Karla
  33. 3rd grade math

    WRITING TO EXPLAIN. How can you use models to show and name the number 1,400 in two different ways? Explain.

    asked by Damon
  34. Physical Science

    A boy throws a 4-kg pumpkin at 8 m/s to a 40-kg girl on roller skates, who catches it. At what speed does the girl then move backward?

    asked by Help
  35. Physical Science

    A 40-kg skater moving at 4 m/s overtakes a 60-kg skater moving at 2 m/s in the same direction and collides with her. The two skaters stick together. What is their final speed?

    asked by Help
  36. Physics

    Consider three force vectors ~ F1, ~ F2, and ~ F3 with magnitude 43 N and direction 53; mag- nitude 94 N and direction 162; and magni- tude 59 N and direction 288, respectively. All direction angles are measured from the posi- tive x axis:

    asked by James
  37. Physics

    A female gymnast weighs 400 N. If she is hanging stationary from a high bar, how many forces are acting on her?

    asked by Julia
  38. Physics

    Consider an inertial reference frame. In this coordinate system

    asked by Milan
  39. Chemistry

    Water can be heated in tightly woven baskets by dropping in hot rocks. The technique is useful for cooking in the absence of metal or pottery vessels. Estimate the size (in liters) of basket needed to hold the rocks and water if 5 L of boiling-hot (100°C)

    asked by Martyna
  40. Chemistry

    Given that a sample of air is made up of nitrogen, oxygen, and argon in the mole fractions 78% N2, 21% O2, and 1.0% Ar, what is the density at stp?

    asked by Anonymous
  41. algebra

    what the interest rate for 80,000. Quota is 10.1% + 0.5 + $300.

    asked by Bes
  42. Finite Math

    A dietitian wishes to plan a meal around three foods. The meal is to include 16,200 units of vitamin A, 4,620 units of vitamin C, and 680 units of calcium. The number of units of the vitamins and calcium in each ounce of the foods is summarized in the

    asked by Dee
  43. English

    the poem "At the Lunch Counter" is by Alden Nowlan. I am having difficulty understanding it. any help would be great.

    asked by Miki
  44. English

    Check these English questions for me please? I'm not asking for anyone to do my work for me, Im just not sure if these answers are right and would like a reassurance, preferably from someone who has done the assignment before. 1. Why was literacy a prime

    asked by Soh
  45. chem101

    which of the following compounds have polar bonds and a net dipole moment? a) H3COH b) H3CCOCH3 ALSO PLEASE CHECK THIS, RANK THE FOLLOWING FROM MOST TO LEAST ACIDIC COMPOUND: A)H2SO4>H3CCO2H>H20 B)H3CCH2NH2>H3CCH2OH>H3CCO2H

    asked by sammy
  46. English

    Thank you very much. I'm having problems in finding antonyms for the following adjectives describing personality. Can you check my list, please? I need to fing synonyms for "nosy" and an antonym for "sensible", "sensitive". 1) How do you call someone who

    asked by Henry2
  47. Adv. Vocab and Essay

    What are some compare and contrast topics for Fat Vs. Skinny?

    asked by Heather
  48. biology

    Selena noticed that the sand at the beach seemed much warmer than the water. She wondered whether that was because water took more enrgy to heat up than land. I don't understand. What I would like to know here, is what would be the dependent and

    asked by Tati
  49. Microeconomics

    I am having a hard time answering these questions. I just need them explained to me so that I really understand them, when I get ready to take my test. 1. How do changes in demand/supply affect prices? 2. How does a change in demand/supply affect the

    asked by Ms. Jones
  50. Social Studies

    True or False Geographers use maps, globes,and computers to study people and places?

    asked by Frances
  51. college

    Evaluate the difference quotient for the given function. Simplify your answer. f(x) = 3 + 5x − x2, f(4 + h) − f(4) h

    asked by dc
  52. Algebra

    How far in miles is a line of 1,000,000 pennies. Please show chart with 5 instances. Define a variable and write an algebraic expression.

    asked by Matthew
  53. Informal Logic

    11{1[2(06)06]}> Reporter: A new campaign finance reform bill being considered by Congress would limit the amount of campaign contributions that political candidates can receive. However, a survey of candidates running for mayor, governor, and senate seats

    asked by Myra
  54. Government US

    The constitutional provision that federal judges and justices hold office "during good behavior" has a. meant, in effect, that they will serve until they die or choose to retire. b. provided them the opportunity to carry out their duties without immediate

    asked by HM
  55. calculus

    lim as x-> 0 of 3x/(sin2x)

    asked by john2
  56. Algebra 1

    Using substitution, solve this equation.. 3x - 5y = 11 x - 3y = 1

    asked by Loren
  57. Chemistry

    Calculate the amount of 6 M nitric acid you need to add to fully react with .5 grams of copper and add a 20 percent excess.

    asked by Jennifer
  58. Social Studies

    True or False Written records,artifacts,and fossils are other tools used by historians, archaeologist,and anthropologists to study the past

    asked by Frances
  59. science

    A sound wave, traveling at 337m/s, is emitted by the foghorn of a tugboat. An echo is heard 1.76 s later. How far away is the reflecting object? Answer in units of m.

    asked by saul
  60. trigonometry

    1)find the exact value indicated trigonometric function of θ, if θ is the angle is standard position whose terminal side contains the given point. (-2 ,√2); Find cos θ 2) find the length of the arc intercepted by a central angle of 35degree 28' in a

    asked by sam
  61. geometry

    suppose j is between h and k.use the segment addition postulate to solve for x.then find the length of each segment hj=5x jk=7x kh=96

    asked by shayla
  62. Physics

    A cable attached to a block of mass 14 kg pulls the block along a horizontal floor at a constant velocity. If the tension in the cable is 5.4 N, what is the coefficient of kinetic friction between the block and the floor?

    asked by Heather
  63. Math

    Mark read that the ancient Greeks use to arrange pebbles to represent numbers. He used square on a grid instead of pebbles to model both triangular and square numbers How can you divide a square number into q two triangular numbers? (6 triangular number)

    asked by Roxane smith
  64. science chemistry

    what is the purpose of using deinonized water to adjust the Spec 20 to 0 absorbance?

    asked by sibi
  65. physics

    Bob jumps into a pool, after he stops moving and becomes stationary i the water. What happens to his k energy?

    asked by John
  66. Siddhartha

    Why was the ferryman, Vasudeva so important in the book Siddhartha?

    asked by Katie
  67. Math

    How would you solve for X if X was the hypotenuse of a 45-45-90 triangle and the other two sides were Square Root of 11?

    asked by Raymond
  68. chemistry

    write the balanced chemical equation for the reaction that occurs when BaCl2.2H2O is heated.

    asked by jess
  69. College Physics

    A constant force of 2854 N acts on a spacecraft of mass 6100 kg that has an initial velocity of 32 m/s. How far has the spacecraft traveled when it reaches a velocity of 1170 m/s? I used: Vo=32 m/s, Vf=1170 m/s, F= 2854 N, and mass= 6100 kg I then solved

    asked by Anon
  70. Life orientation

    -what are the causes of and how to prevent cancer

    asked by Brenda
  71. physics

    A baseball player hits the ball at a speed of 20.1 m/s and an angle of 30 degrees. What is the baseball's horizontal velocity? 1m/s What is the baseball's vertical velocity? 2m/s How long does it take the baseball to get 28m in front of home plate? 3

    asked by brittany
  72. psychology

    The blind man and the elephant is a metaphor that shows how

    asked by shawn
  73. Physics

    A brick is thrown upward from the top of a building at an angle of 35° to the horizontal and with an initial speed of 12 m/s. If the brick is in flight for 3.5 s, how tall is the building?

    asked by Court
  74. physics

    a room which is h = 9.0 feet tall and r = 12.0 feet wide. Attached to the ceiling is a piece of glass (with unknown index of refraction) which is 2.5 feet thick. A laser pointer in the bottom left corner is aimed so that the ray which reflects off the

    asked by crystal
  75. HUM 176

    Choose the biggest breaking story of the moment. · · Compare and contrast coverage. Compare and contrast information in the stories as well as how are they presented. · Answer the following questions: o What links are included? o How does the commentary

    asked by Davina
  76. Math

    Which numbers are perfect squares? A) 64 b)900 c)120 d)1000 e)100 F) 10 000 How do u know each number is a perfect square? A) 1225= 35x35 B) 484= 2 x 2 x 11 x 11 C) 2025 = 45(square) the area of this square is 289 square unit. How so u that it's perfect

    asked by Roxane smith
  77. high school

    (x^2y^3/2z)^4

    asked by tania
  78. AP Chemistry

    The Antarctic ice sheet contains an estimated 7.0 million cubic miles of ice. If the entire ice sheet melted, how many feet would the average global sea level rise? The density of ice is about 0.90 g/cm^3. The density of water is about 1.0 g/cm^3. The

    asked by Alliya
  79. Medical teminology

    Does anyone know a website where i cna search up the meaning of the prefix, suffix, and word root of the following terms: asymptomatic, benign, coagulate, convalescence, suture, therapy, plasma, and antidote?

    asked by Maia
  80. chemistry

    What are the Kilojoules needed to melt 24.0g of ice at O degrees C, warm the liquid to 100 degree C and change it to steam at 100 degree C? Thank you,

    asked by Sue
  81. 6th grade

    describe yourself mathamatically

    asked by jonathan
  82. chemistry

    What are the joules needed to melt 50.0g of ice at 0 degree C and to warm the liquid to 65.0 degree C? Thank you so much!

    asked by Connie
  83. 6th grade

    interview some from 9/11

    asked by jonathan
  84. English

    This is about Sound and Fury- Dan Greenburg Where is Greenburg's point stated in his essay and what is his point? How would the meaning be different if Greenburg had ended his essay with paragraph 29?

    asked by Karla
  85. Chem

    If 0.03 moles of sulfuric acid is mixed with water to make 266 mililiter of solution, what is the molarity of H+? Answer in units of M.

    asked by Chandler
  86. English

    I'm posting you the sentence again. I added a few other sentences. Thank you. 1)My child is outgoing, generous and likes teasing his classmates (I need an adjective: playful, annoying?). However, he is also stubborn, naughty and moody. Further, he gets

    asked by Henry2
  87. Lord of the Flies

    I need an introduction sentence to start my essay.Something about how fear overwhelms a society

    asked by Myrna
  88. math

    moving straight ahead pg 12 #3

    asked by dan
  89. Social and Behavioural Sciences

    I'm not sure how to define these words. 1) moral authorities 2) systematic empirical research 3) scientific research

    asked by Alex L.
  90. Science

    Why doesn't the space station fall toward the earth, instead of remaining in space? a) It is beyond the earth's gravitational pull. B) The earth's gravity is balanced out by the attraction of the sun and other planets. C) Centrifugal force keeps it up. D)

    asked by John
  91. English

    calm/nervous, quick-tempered easygoing/touchy, think-skinned, crabby determined/indecisive easy-going/stand offish nosy(intrusive, prying, snoopy) / indifferent, uncaring, unconcerned, uninterested determined/undetermined OR indecisive

    asked by Henry
  92. math

    moving straight ahead pg 12 #3

    asked by dan
  93. Physics

    For the Law of Sines state the formulas, explain them in your own words, and draw a diagram illustrating one of them.

    asked by Lena
  94. English

    Could you check if the adjectives I chose are appropriate? Thank you. calm/nervous, quick-tempered easygoing/touchy, think-skinned, crabby determined/indecisive easy-going/stand offish nosy(intrusive, prying, snoopy) / indifferent, uncaring, unconcerned,

    asked by Henry2
  95. chemistry

    if a pitcher of .75 L of water is removed from the refrigerator at 4 degrees celsius how many killijoules is needed to warm it at 27 degrees celsius, thank you in advance

    asked by kim
  96. business

    As company ombudsman, your task is to investigate complaints of wrongdoing on the part of corporate directors and officers, decide whether there is a violation of the law, and deal with the wrongdoers accordingly. Jane, a shareholder of Goodly Corporation,

    asked by g
  97. math

    use the numbers 3, 5, 6, 2, 54, and 5 in that to write an expression that has a value of 100.

    asked by nick
  98. 9/11

    Can you find a good 9/11 current event please?

    asked by andy
  99. Chem

    How many milliliters of 1.5 M HCl must be transfered from a reagent bottle to provide 25 g HCl for a reaction? Answer in units of mL.

    asked by Chandler
  100. Science

    Colchicine (F.W. 399.4), an alkaloid purified from the autumn crocus flower, blocks cell division by inhibiting mitosis. It is effective at concentrations of 0.1-1ug/ml. You have a cell culture with 40mls volume. How much colchicine do you add for a final

    asked by Anonymous
  101. United States Government

    Complications in the practice of America's ideals occurs because these ideals a. are general principles, not precise rules. b. sometimes conflict with one another. c. are only of of many sources of political action. d. are enduring and powerful. e. All

    asked by Nicole
  102. phys111

    I travel 1 km east, than 1 km north, then climb 400m straight up a cliff. what is my distance from my starting point?

    asked by jscibdizzle
  103. math

    u = m*g*h find the value of h show work please

    asked by cat
  104. Math... please help me

    Please can you help me to solve and get the solution for these problems. how to get the solution please help me question: 1.Find the price of a 10% coupon bond with 10 years to maturity if interest rates: A) increase by 1% B) decrease by 1% C) increase by

    asked by jessie
  105. AP Chem

    It takes 58 mL of 0.124 M KOH to neutralize 34.5 mL of H2SO4 solution. What is the concentration of the H2SO4 solution? Answer in unites of moles/liter.

    asked by Chandler
  106. algebra

    Here is my question. How do you solve th substitution method in this problem? 9x - y = 40 y = 4x

    asked by belinda
  107. History Project Suggestions

    Which President's documentary? What documentary would you suggest is more interesting and better to watch for my history project. FDR LBJ Richard Nixon Harry S Truman Jimmy Carter

    asked by HM
  108. physics

    A baseball player hits the ball at a speed of 20.1 m/s and an angle of 30 degrees. What is the baseball's horizontal velocity? What is the baseball's vertical velocity? How long does it take the baseball to get 28m in front of home plate?

    asked by brittany
  109. Chem

    What mass of MgSO4 · 7H2O is required to prepare 700 mL of a 0.342MMgSO4 solution? Answer in units of g.

    asked by Chandler
  110. phys 111

    i travel 1 km east, than 1 km north, then climb 400m straight up a cliff. what is my distance from my starting point? a= 3i+2j+4k b= i-3j-4k

    asked by jscibdizzle
  111. Physics

    If a man donates blood one day and the next day he gets shot. Does he get it back?

    asked by LOLKID
  112. French

    Please help me unscramble the following words in french: penctoier uernigrsul aceir cuehaebrisnfa arlabtce botromen eercn nealum lstaa

    asked by Kaitlyn
  113. General Knowledge

    Is it wise to learn two different languages at a time? Such as French and Spanish? What would be two easy languages to learn at the same time?

    asked by HM
  114. Math

    A small credit has a small branch with two tellers. Arrival rate of customers to the branch is 12 customers per hour and the average service time is 6 minutes. Both inter-arrival time and service time follow exponential distribution (that is, the

    asked by Susan
  115. Physical Science

    A 1000-kg car is moving east at 80 km/h collides head on with a 1500-kg car moving west at 40 km/h, and the two cars stick together. Which way does the wreckage move and with what initial speed?

    asked by Help
  116. mba

    1. Antique Arts Company would pay Rs. 2.50 as dividend per share for the next year and is expected to grow indefinitely at 12%. What would be the equity value if the investor require 20% return?

    asked by bhavana
  117. Math - Linear algebra

    Cats cost $1, dogs cost $15, and mice cost only $0.25. I want a herd of 100 animals, and I have $100, so being a cat lover, it's tempting to get only cats and mice. But I also want a dog, and my cat(s) want mice to "play" with, so the numbers of dogs, cats

    asked by George
  118. Algebra 2

    Exponential Notation Simplify. (-2)^0-(-2)^3-(-2)^-1+(-2)^4-(-2)^-2 I tried solving this problem a few times and kept getting random answers. The answer in the book says that it is 25 1/4 I do not understand how you get that answer. Thanks For Your Help

    asked by Ann
  119. Language Study

    Is it wise to learn two different languages at a time? Such as French and Spanish? What would be two easy languages to learn at the same time?

    asked by HM
  120. college english -- rhetorical analysis of an ad

    my homework is to find an advertisement, website or magazine cover that is rhetorically interesting and persuasive. we have to write an essay analysis of 2 pages to show how the text works to persuade its audience. consider the following questions. 1)what

    asked by nonya
  121. Phyics - Astronomy

    You are standing at a latitude of 35 degrees South. Star x is currently at an azimuth of 45 degrees and an altitude of 50 degrees. What is the azimuth and altitude coordinates of Star X 3 hours later? I don't know how to do this. If anyone knows how to

    asked by Amanda
  122. chemistry

    Water can be heated in tightly woven baskets by dropping in hot rocks. The technique is useful for cooking in the absence of metal or pottery vessels. Estimate the size (in liters) of basket needed to hold the rocks and water if 5 L of boiling-hot (100°C)

    asked by HELP PLZZ! :S
  123. mba

    Analyze the following portfolios performance using Jensen index, Treynor index and Sharpe index versus the market: Observed Rate of Return Beta (β) Residual Variance Magic fund 15% 1.5 0.02 Shanti fund 10% 0.5 0.00 Risk-free rate of interest is 50%,

    asked by bhavana
  124. physics

    A rocket is fired at 1500 m/s at an angle of 50 degrees with respect to the ground. a)What are the horizontal and vertical velocities at 10 seconds. b)What is the actual velocity at 10 seconds.

    asked by Matthew
  125. Physics Help

    State the number of significant figures. 1) 809 Answer : 3 2) 0.0060 Answer : 5? 3) 0.00000095 Answer : 9? 4) 5.60 Answer : 3 5) 5.743 Answer : 4 6) 0.010 Answer : 4?

    asked by Anonymous
  126. Science

    what would tides be like if the moon did not exist? a) There would be no tides without the moon's gravity. b) There would be one high tide and one low tide every 24 hours because of the sun's gravity, with the high tide at noon and the low tide at

    asked by John
  127. physics

    A plane flying horizontally at 50 m/s is 2000m from its target. a)At what height must a projectile be released in order to strike the ground target. (neglect air resistance) b)At what velocity will the projectile strike the target? c)What is the angle of

    asked by Matthew
  128. physics

    a stone tied at one end of a string of length,l is whirled in a horizontal circle with constant linear speed,v.which of the following expressions describe the relation between the radius of the circle,r and the angle between the string and the vertical

    asked by tim
  129. English

    I still have a few other sentences for you to check. Then, I didn't understand one of your corrections. Thank you for helping me. 1) Why shall I capitalize "the" in the sentence: To the left and to the right of the mannequin respectively there is a sewing

    asked by Henry2
  130. Chemistry

    Water can be heated in tightly woven baskets by dropping in hot rocks. The technique is useful for cooking in the absence of metal or pottery vessels. Estimate the size (in liters) of basket needed to hold the rocks and water if 5 L of boiling-hot (100°C)

    asked by Martyna
  131. Government

    The Principle of self-government emphasizes majority rule whereas the principle of liberty emphasizes individual rights. There principles A. are universal and are the foundation of all legitimate governments. B. have no real meaning in practice. C. have

    asked by Josh
  132. English

    does the poem "At the Lunch Counter" have aliteration, assonance, metaphors, similes, onomatapoeia, imagery? I have found it has a few but i'm not sure. I also am not sure about the meaning of the poem and can't find any information about it. Any help

    asked by Miki
  133. chem

    NaC3H5O3 is needed to create 1000mL volume of ringers lactate with 6.5 ph

    asked by debra
  134. calculus

    Find the derivative of the function. 1. 2x+5/3x-2 2. (1-x)(1+x^2)^-1 Please show work. TYVM. :)

    asked by Matthew
  135. IRSC

    the sum of the lengths of any two sides of a triangle must be greater than the third side. If a triangle has one side that 17 inches and a second side that is 1 inch less than twice the thrid side, what are the possible lengths for the second and third

    asked by Angela
  136. math

    a desk is 80 cm wide.how many decimeters is that?

    asked by harsh
  137. Chemistry

    A compound has the empiical fomula CHCl. a 256-mL flask, at 373 K and 750. Torr, contains 0.800 g of the gaseous compound. Give the molecular formula.

    asked by Anonymous
  138. algebra

    fine each absolute value 5 quesitons: |-2+5| |5| +4 |-5| +4 |5+2| |3 - 7|

    asked by matt
  139. marketing

    mass marketing is not a viable opttion to build a pfitable brand comment on the following

    asked by asmat jahan
  140. scienced

    how does the race betweebn the tortoise and the the hare the differencde between average speed and instantaneous speed ?

    asked by brianna
  141. Physics

    a man walks 10km towards west and then 15 km towards south. Find the resultant vectors, magnitude and direction.

    asked by Faheem
  142. physics

    In a friendly game of handball, you hit the ball essentially at ground level and send it toward the wall with a speed of 15 m/s at an angle of 32° above the horizontal. (a) How long does it take for the ball to reach the wall if it is 4.2 m away? (b) How

    asked by !!!!
  143. physics

    In a game of basketball, a forward makes a bounce pass to the center. The ball is thrown with an initial speed of 3.7 m/s at an angle of 15.4° below the horizontal. It is released 0.83 m above the floor. What horizontal distance does the ball cover before

    asked by !!!!
  144. Medical teminology

    What is the Prefix, Suffix, and word root of the following questions. Antidote asymptomatic benign coagulate convalescence plasma therapy

    asked by MAia
  145. physics

    The magnitude of A=(-4m)x+(-2m)y=

    asked by !!!!
  146. Science

    Please help Thank you. 1. What will the impact be like for Humanity’s natural resource base and thus economic security if everyone enjoyed the same lifestyle?

    asked by John
  147. English

    Can you please clarify to me the rule regarding adjective order? I have long, black, curly hair OR I have long, curly, black hair ??? You can refuse to be tested orally only once. (or You can decide to excuse for not being tested orally only once) I don't

    asked by Henry2
  148. Physics

    A crow is flying horizontally with a constant speed of 3.05 m/s when it releases a clam from its beak. The clam lands on the rocky beach 2.05 s later. Consider the moment just before the clam lands. (Neglect air resistance.) (a) What is its horizontal

    asked by !!!!
  149. History

    The treaty signed in 1621 by the puritans and the massoasits fair to both sides. If so explain. Oh and what is the difference between pilgrims and puritans. Thanx!

    asked by Casey
  150. Calc

    find F''(pi/3) f(x)= 4cos(x/2) i got -cos(pi/6) but i don't think that's the correct answer... Thanks!

    asked by Lilly
  151. physics

    A football is thrown upward at a(n) 37 angle to the horizontal. The acceleration of gravity is 9.8 m/s2 . To throw a(n) 57.8 m pass, what must be the initial speed of the ball? Answer in units of m/s

    asked by Bethany
  152. Chemistry

    A flask that can withstand an internal pressure of 2500 Torr, but no more, is filled with a gas at 21.0 C and 758 Torr and heated. At what temperature will it burst?

    asked by Anonymous
  153. Physics

    Consider an inertial reference frame. In this coordinate system 1. nothing can accelerate. 2. there is no inertia. 3. objects with no forces acting on them have no acceleration. 4. inertial mass depends on your elevation.

    asked by Milan
  154. Math

    your aunt gives you a check on your birthday each year. on your first birthday , she gives you a check for one cent. the next year she gives you 3 cents , then 9. each year she triples the amount of the previous year 's check. how old will you be when she

    asked by Zach
  155. Physics

    Consider an inertial reference frame. In this coordinate system 1. nothing can accelerate. 2. there is no inertia. 3. objects with no forces acting on them have no acceleration. 4. inertial mass depends on your elevation.

    asked by Milan
  156. chemistry

    Which solvent would dissolve each of the following compounds?(water, a polar organic solvent, or a nonpolar organic solvent) a) NaI b) H3CCH2CH2OH C)H3CCH2CH2CH2CH2CH2CH2CH3

    asked by lon
  157. Physics

    Problem 21.79 The plates of a 3.2nF parallel-plate capacitor are each 0.25 m^2 in area. Part A - How far apart are the plates if there's air between them? Express your answer using two significant figures. = Part B - If the plates are separated by a Teflon

    asked by Paige
  158. algebra

    25 divided 0.76 in long formed

    asked by felix
  159. Science

    A satellite orbiting at an elevation of 3200 km does what a) Stays beyond the earth's gravity, which is why it stays up there. B) in an elliptical orbit, since its speed is less than the escape velocity. C) Falling toward earth with an acceleration equal

    asked by Erica
  160. Biography

    I'm currently doing a project on Steve Jobs and one of the question ask "Name of the product or service they created or provide". Would it be true if I put that he created iPhone,iPad, and iPod? Or not because he don't create them but the worker does.

    asked by Shadow
  161. chemistry

    A freshman studying medicine at an Ivy League College is a part of his class crew team and exercises regularly. After a particularly strenuous exercise session, he experiences severe cramps in his thighs and pain in his biceps. Explain the chemical process

    asked by jake
  162. balloon

    if an inflated balloon is placed in the freezer as the temperature of the gas of the balloon decrease the speed of the particles will do what

    asked by Anonymous
  163. Physics - bobpursely

    State the number of significant figures. 1) 809 Answer : 3 2) 0.0060 Answer : 5? 3) 0.00000095 Answer : 9? 4) 5.60 Answer : 3 5) 5.743 Answer : 4 6) 0.010 Answer : 4? Physics Help - bobpursley, Sunday, September 11, 2011 at 4:59pm 2, 3, 6 are wrong: Zeroes

    asked by Anonymous
  164. College Algebra

    The relation is a function containing two ordered pairs. Reversing the components in each ordered pair results in a relation that is not a function. A) {(0, 2), (0, 3)} B) {(2, 3), (3, 2)} C) {(3, 1), (4, 1)} D) {(4, 5), (2, 3)}

    asked by Sally
  165. English

    the poem "At the Lunch Counter" is by Alden Nowlan. I am having difficulty understanding it. any help would be great.

    asked by Miki
  166. World History

    What is it about Greco-Roman culture that creates positive feelings in people???

    asked by mel
  167. Physics

    Sue and Jenny kick a soccer ball at exactly the same time. Sue’s foot exerts a force of 56.6 N to the north. Jenny’s foot exerts a force of 88.6 N to the east. a) What is the magnitude of the resultant force on the ball? Answer in units of N b) What is

    asked by Milan
  168. psychology

    give a thesis statement on how to have authority over adult children

    asked by Anonymous
  169. biology

    Our cat had a litter of kittens yesturday . What characterists is this?

    asked by Makyla
  170. AP Physics

    A driver in a car traveling at a speed of 62 mi/h sees a deer 112 m away on the road. Calculate the magnitude of the acceleration necessary for the car to stop just barely missing the deer (assuming that the deer does not move in the meantime). Answer in

    asked by Margo
  171. Physics

    A man is pulling on a rope with a force of 97 N directed at an angle of 68 degrees to the horizontal. What is the x-component of this force? What is the y-component of this force?

    asked by Milan
  172. Physical Science

    A 40-kg skater moving at 4 m/s overtakes a 60-kg skater moving at 2 m/s in the same direction and collides with her. The two skaters stick together. What is their final speed?

    asked by Jason
  173. Physics

    If a person runs the 100m dash in 10.0s, calculate that speed in m/s and km/h.

    asked by luis
  174. me

    why should food corporation of india be concerned about demand for the food grains to be release for public distribution system?

    asked by amit
  175. Physics

    Tyler runs the length of a soccer field (100m). A. How much time is required for him to run the full length at speed v? B. If he runs at 6.0 m/s how long does it take tyler to run the length of the field?

    asked by AZ
  176. physics

    a 2kg block is placed on a frictionless wedge that is inclined at an angle of 60 degrees from the horizontal. if you release the block, it would slide down the wedge. it turns out that if you push the wedge to the right with acceleration a, the block will

    asked by Anonymous
  177. algebra

    Find the length of each kind of shark. The white Shark is 18ft long. The oceanic whitetip shark is 2/3 the length of the tiger shark.

    asked by Sandra
  178. English

    I left out the following adjectives. Can you please check them, too? 1) I've got a long face, heavy (thick?), curved eyebrows, oval eyes, a small nose and a round mouth. I've got short, dark, wavy hair. According to the Face Reading Guide I'm (should be?)

    asked by Henry2
  179. Algebra

    F=9/5C+32 Solve for C if someone could explain in a step by step way that would be great!

    asked by Linda
  180. calculus infinate sums

    how many terms of the series 1/(n*(ln(n)^8)) from n=2 to infinity would you have to add to find the sum to within 0.01

    asked by johnathon
  181. Math

    4.47 x 10^1 g How wouldI convert this to nanmograms? would I use 1mg / 10^-9 g? I do not understand how to do this

    asked by Hannah
  182. Physics

    You have two forces, 106.8 N and 50.8 N. What is their resultant if the first acts upward and the second acts downward? What is the direction of the resultant? What is their resultant if they both act downward? What is the direction of this resultant?

    asked by James
  183. Physical Science

    A boy throws a 4-kg pumpkin at 8 m/s to a 40-kg girl on roller skates, who catches it. At what speed does the girl then move backward? *I don't understand how to work them*

    asked by Jason (please help)
  184. algebra

    I need to find the absolute value:; 1 |-2+5| 2 |5| +4 3 |-5| +4 4 |5+2| 5 |3 - 7| here are my answers: 1) 3 2) 9 3) 1 4) 7 5) 4

    asked by max
  185. chemistry

    how to draw newman projection for different structure

    asked by ami
  186. College Geometry

    A circular grassy region with a 12 ft diameter has a 2ft by 3ft reflecting pool in its center. What is the Surface Area of the reflecting pool? What is the Area if the grass?

    asked by Rachael
  187. Algebra

    The relation is a function containing two ordered pairs. Reversing the components in each ordered pair results in what relation not being a function. A) {(0, 2), (0, 3)} B) {(2, 3), (3, 2)} C) {(3, 1), (4, 1)} D) {(4, 5), (2, 3)}

    asked by Mike
  188. Math - Calculus

    For the following arithmetic sequence: determine the common difference. Find the next three terms of the sequence. e) 2/3 , 1/15, -8/15 I really don't get how to solve this one, I see no pattern :\

    asked by Anonymous
  189. Algebra

    f(g(x)) =. Does this make sense or not? A) This makes sense because f(x) = x^2 and g(x) = x + 4 so putting in x^2 for x into g gives us x^2 + 4. B) This does not make sense because the input would first go into g, giving x + 4. Then x + 4 would be the

    asked by Christian
  190. English

    I forgot to add the following sentences. Thank you. 1) My child is outgoing,generous and liks teasing his classmates. However, he is also stubborn, naughty and moody. Further, he gets sulky when I scold him (kick him off?).

    asked by Henry2
  191. Physics help?

    Calculate the acceleration if the bullet leaves the gun at 350 m/s. The length of the gun barrel is .40m.

    asked by AZ
  192. Logic

    If I move to Texas, I will need air conditioning. I don't need air conditioning. So I didn't move to Texas" is an argument form known as (Points : 1) modus ponens. modus spumoni. modus operandi. modus tollens.

    asked by SW
  193. geometry

    What is the area of the top of a box that is 14 by 19 cm?

    asked by Ashley
  194. English

    Could you help me reword this please. Furthermore his exaggerated stories may be true for him but their illegitimacy to how a man in a suit can do such an uncivil thing such as ramming a car into a bus that may contain children or anyone in that case

    asked by HM
  195. Physics - Converting

    Convert each of the following measurements to its equivalent in metres. A. 1.1cm B. 76.2 pm I don't get how to convert :\

    asked by Anonymous
  196. physics

    if a 1 kg rock is thrown at a speed of 20m/s, how much kinetic energy does it have?

    asked by Anonymous
  197. comp

    What is one important distinction you could not overlook when making a critical evaluation about the Boston Tea Party? Clarify the importance of that distiction.

    asked by meme
  198. Physics

    A record of travel along a straight path is as follows: (a) Start from rest with constant acceleration of 3.51 m/s2 for 17.8 s; (b) Constant velocity of 62.478 m/s for the next 0.946 min; (c) Constant negative acceleration of −10.9 m/s2 for 3.89 s. What

    asked by Margo
  199. Algebra

    Solve the equation and check your answer (q+9)/5 + (q-2)/2 = 11/5

    asked by Jess
  200. Physical Science

    23. when an electron is displaced in a semiconductor, the hole that's left behind is A. attracted to the negative terminal of the voltage source B. incapable of carrying a charge. C.attracted to the anode of the voltage source. D. considered an impurity in

    asked by Lanlin
  201. English

    Can you tell me if these sentences are possible? 1) We have a 15-minute break at 10.20. After the break we have a double period of Italian./ We have double Italian. 2) You use a duster to wipe a blackboard /an eraser to wipe a whiteboard. 3)What mark did

    asked by Henry2
  202. College Physics

    A hockey puck slides with an initial speed of 43.2 m/s on a large frozen lake. If the coefficient of kinetic friction between the puck and the ice is 0.036, what is the speed of the puck after 10.4 s?

    asked by Anon
  203. Math

    What property changed(4c + 3c) + 6 to (4+3)c + 6?

    asked by Darren
  204. Math

    |y-5|-2=10 I know the first y=17 but I don't know the second ? Thanks

    asked by Shadow
  205. ALGEBRA PLS HELP

    CAN YOU CHECK IF IM RIGHT? |-2 +5 | ANSWER 7 |5| +4 ANSWER: 9 |-5| +4 ANSWER : 9 |5+2| ANSWER : 7 |3-7| ANSWER : -4

    asked by MATT
  206. Geometry

    What is the area of a square with a base of 8mm?

    asked by Nicole
  207. physics

    An airplane lands and starts down the runway at a southwest velocity of 48 m/s. What constant acceleration allows it to come to a stop in 1.5 km?

    asked by lol
  208. Algebra

    a sprinter ran 100-m dash in 9.92s. What was his soeed in feet per second

    asked by Marie
  209. probability

    A set of five marbles is selected (without replacement) from a bag that contains 4 blue marbles, 3 green marbles, 6 yellow marbles, and 7 white marbles. How many sets of five marbles contain no more than two yellow ones?

    asked by jay
  210. science (please help)

    How do I solve for T? PI(67.2/2)^2*T*13.6g/cm^3= 5lb*435.6g

    asked by Dannie
  211. book reports

    what suld i put on my book report

    asked by hannah motanna
  212. Biology

    Assume that a cell culture has a density of 10^8 cells/mL. You transfer 20 microliters of this culture onto the microscope slide. How many cells do you expect will be in this 20 microliters drop you placed under the microscope?

    asked by Celine
  213. Math

    In the equation ax^2+bx+c=0, one root is the square of the other. Without solving the equation, prove that c(a-b)^3=a(c-b)^3

    asked by Adriana
  214. algebra

    You make 20 silk flower arrangements and plan to sell them at a craft show. Each flower arrangement costs $12 in materials, and your booth at the craft show costs $30. If you sell the arrangements for $24 each, how many must you sell to make at least $100

    asked by David
  215. Social Studies

    True or False To accurately label exact locations on a map, geographers go to that specific location?

    asked by Frances
  216. Physical Science

    A boy with a mass of 30 kg jumps off a 3 m diving board. How much kinetic energy does he have just before he hits the water? Answer none. 90 N. 900 J. 1800 J.

    asked by Allison
  217. Math

    8 1/2 + 4 1/3 + 2 1/2 + 2 2/3

    asked by Lauren
  218. Social Studies

    True or False Geography is not used very much anymore?

    asked by Frances
  219. algebra

    For 5 + (-8) = -3 how can i justify my answers in words, with a number line?

    asked by Ces
  220. science

    It take you 9.5 min to walk with an average velocity of 1.2 m/s to the north from the bus stop to the museum entrance. What is your displacewment?

    asked by Chris
  221. physics

    A person walking with a speed of 1.44 m/sec releases a ball from a height of h = 1.28 m above the ground. Use the point on the ground, directly below where the ball is initially released at the origin of your coordinate system. (a) What is the ball's

    asked by Katie
  222. College Physics

    Two children are playing on a 178.2 m ­tall bridge. One child drops a rock (initial velocity zero) at t = 0 . The other waits 2.7 s and then throws a rock downward with an initial speed v0. If the two rocks hit the ground at the same time, what is v0 ?

    asked by Anon14
  223. Exchange

    What is the recipricol of 106.87, it is also the answer to if $1 is worth 106.87 yen how much US currency is one yen worth?

    asked by Anonymous
  224. science

    Simpson drives his car with an average velocity of 48.0 km/h to the east. How long will it take him to drive 144 km on a straight highway?

    asked by Chris
  225. Science

    You need to make 50 agar plates. Each plate holds 30mls. Final agar concentration is 2.5%. How much agar powder to you need?

    asked by Anonymous
  226. physics

    if a ball is thrown into the air at a speed of 22 m/s what is its position after 2.8 seconds?

    asked by meagan
  227. Chemistry

    The media you need has .9% NaCl and 2% glucose. How would you make 1 L of this solution?

    asked by Anonymous
  228. Logic

    One way to disconfirm the scientific hypothesis that chickens cannot fly would be to ask someone. look very hard for a chicken that can fly. simply assert that chickens can fly. simply assert that chickens cannot fly.

    asked by SW
  229. social studies

    How did James Fenimore Cooper help in reforming America?

    asked by Vin
  230. Pre-Calculus

    Using the difference quotient find M-sec for h=0.5 at x=1. f(x)=2x+5 difference quotient-f(x+h)-f(x)/h

    asked by Elliot
  231. MS. SUE HELP!

    If 4.26 lb of chicken costs $6.77, what would 3.75 lb cost? PLEASE HELP ME MS. SUE D: CAN U PLEASE EXPLAIN ME B4 GIVING ME THE ANSWER

    asked by David
  232. English

    Serious is to careful as nervous is to____________

    asked by BB
  233. physics

    if a ball is thrown down at an inital speed of 22 m/s, what will be its position after 2.8 seconds? acceleration is 9.8 m/s squared

    asked by meagan
  234. World his. Ms. SUE!!

    What is it about Greco-Roman culture that creates positive feelings in people?

    asked by mel
  235. physics

    When a large bone such as the femur is broken, the two pieces are often pulled out of alignment by the complicated combination of tension and compression forces that arise from the muscles and tendons in the leg (see the X­ray image in Figure P3.64A). To

    asked by Anon14
  236. Social Studies

    Definitions for Government: Communism, Nazism, Democracy, Fascism, Bureaucracy, Socialism, Capitalism. You have 2 cows. The government takes both of them and gives you part of the milk. ( Communism ) You have 2 cows. The government takes one and gives it

    asked by Anonymous
  237. french

    What would I use before etait in this statement ?"Nous avons beaucoup aime notre sejour en France . ..... etait splendide."

    asked by Anne
  238. Algebrs

    Whats -5 - 3=?

    asked by Ces
  239. algebra

    what is 0.000375 in scientific notation?

    asked by Anonymous
  240. algebra

    y= x+2/3;(1,1/3)

    asked by scratch
  241. Algebra

    Whats -5 - 3=?

    asked by Ces
  242. Essay Check

    This is an essay about the article called Rambo's of the road, could you please read it and see if I am getting there? It is supposed to be a critique. Note: This is not a spellcheck or proofread, I just want someone to read it and tell me if it is alright

    asked by HM
  243. math (please help me)

    How do I solve for T? PI(67.2/2)^2*T*13.6g/cm^3= 5lb*435.6g

    asked by jen
  244. math 116

    8x 4=4x 7 simplify this is what I come up with is this correct? x = 3/4

    asked by rene
  245. Algebra

    How can i justify my answer in words in the problem -5 - 3 = -8?

    asked by Ces
  246. physics

    In the amusement park ride known as Magic Mountain Superman, powerful magnets accelerate a car and its riders from rest to 55 m/s (around 120 mi/h) in a time of 6.1 s. The mass of the car and riders is 5000 kg. Find the average net force exerted on the car

    asked by Jason
  247. Physical Science

    A boy throws a 4-kg pumpkin at 8 m/s to a 40-kg girl on roller skates, who catches it. At what speed does the girl then move backward?

    asked by Jason
  248. physics

    The speed of a bobsled is increasing because it has an acceleration of 2.3 m/s2. At a given instant in time, the forces resisting the motion, including kinetic friction and air resistance, total 450 N. The mass of the bobsled and its riders is 230 kg.

    asked by Jason
  249. Physics

    A roofing tile falls from rest off the roof of a building. An observer from across the street notices that it takes 0.42 s for the tile to pass between two windowsills that are 3.08 m apart. How far is the sill of the upper window from the roof of the

    asked by Anon14
  250. Math

    My-law is a recent start-up trying to cater to customers in search of legal services who are intimidated by the idea of talking to a lawyer or simply too lazy to enter a law office. Unlike traditional law firms, My-law allows for extensive interaction

    asked by Lucy
  251. Geometry

    A right triangle and a square share a side. The hypotenuse of the triangle measures 10 cm. One base of the triangle measures 4 cm. Neither the known base nor the hypotenuse is the side that is shared with the square. Find the area of the square.

    asked by Debbie
  252. Physical Science

    A 40-kg skater moving at 4 m/s overtakes a 60-kg skater moving at 2 m/s in the same direction and collides with her. The two skaters stick together. What is their final speed?

    asked by Jason
  253. Algebra

    How can i justify my answer in words with a number line the problem is -5 - 3 = -8 ?

    asked by Ces
  254. U.S. history

    In jeffersons veiw george washingtons action in addressing the whiskey rebellion?

    asked by Kim
  255. physics

    a golfer takes two putts to get the ball into the hole once he is on the green. the first putt displaces the ball 2.7m east and the second 6.95 m south. what is the direction (in degrees S of E)? answer in units of degree

    asked by ana
  256. Chemistry

    Iron reacts with HCl solution to give H2 gas and Fe2+ ions. Suppose that 5.3 g of iron are to be dissolved in 1.7 M HCl. What is the minimum volume (in mL) of the acid solution required to react with all of the iron?

    asked by Dave
  257. chemistry

    The area of a pond is exactly 34 square meters, and the average depth is 34. meters. If the density of fish is 12 fish per cubic meter, how many fish can be found in 1/3 of the lake?

    asked by Lynn
  258. physics

    A roller coaster travels 101 ft at an angle of 45.7 ◦ above the horizontal. How far does it move horizontally

    asked by Anonymous
  259. Physical Science

    A 1000-kg car moving at 80 km/h collides head on with a 100-kg car moving west at 40km/h, and the two cars stick together. Which way does the wreckage move and with what initial speed?

    asked by Jason
  260. English

    In what situations would someone be reserved when introducing a person?

    asked by Kristine
  261. Algebra

    What is the answer on 13 - (-15) =? And how can i justify my answer in words with a number line?

    asked by Fem
  262. trig

    how do you factor completely.. 18x^2+3x-3?

    asked by Beth
  263. Physics

    A roofing tile falls from rest off the roof of a building. An observer from across the street notices that it takes 0.42 s for the tile to pass between two windowsills that are 3.08 m apart. How far is the sill of the upper window from the roof of the

    asked by Anon14
  264. chemistry

    how do you calculate density of a substance with a mass of 100g and a volume of 48ml

    asked by Jack
  265. Social Media

    How can we use customer comments to improve our coperate commerce in social media?

    asked by Who
  266. Physics

    A hockey puck slides with an initial speed of 43.2 m/s on a large frozen lake. If the coefficient of kinetic friction between the puck and the ice is 0.036, what is the speed of the puck after 10.4 s?

    asked by Anon
  267. Ethic and law

    What is the relationship between ethics and the law in the field of counseling?

    asked by lisa
  268. chemistry

    How many milliliters of 1.4 M HCl must be transfered from a reagent bottle to provide 23 g HCl for a reaction? Answer in units of mL

    asked by julie
  269. math

    A car takes 3 hours to travel 3km at a constant speed on an open road. Calculate the speed of the car

    asked by Anonymous
  270. physics

    Bob jumps into a pool, after he stops moving and becomes stationary i the water. What happens to his k energy?

    asked by John
  271. MATH - Calculus

    Evaluate the following limit: e) lim f(x)-f(a)/ x - a x-> a if f(x) = x^2 + 5

    asked by Raf
  272. Studying Cultures

    what a U.S. manager would need to know about such issues as personal space and rules of social behavior in order to successfully conduct business in India?

    asked by Anonymous
  273. MATH - Calculus (2)

    if lim f(x) = a^3 x->a and if lim g(x) = a^2 x->a calculate the following limit: lim f(x)*(x-a)/(x^3-a^3)*g(x) = x->a

    asked by Raf
  274. Algebtra

    from 630 feet at the top of the horizon. Due to the curvature of the earth how far away is the city. using d=sqrt[3h/2] where d is the distance in nautical miles and h is the height in feet.

    asked by Dianne
  275. ethics

    Analyze the historical and philosophical relevance of ethical codes to contemporary practice

    asked by lisa
  276. 9/11

    What exactly happened on this day?

    asked by Bryce
  277. physics

    The citizens of Paris were terrified during World War I when they were suddenly bombarded with shells fired from a long-range gun known as Big Bertha. The barrel of the gun was 36.6 m long and it had a muzzle speed of 1.48 km/s. When the gun's angle of

    asked by abbie
  278. Intercultural Communication

    what a U.S. manager would need to know about such issues as personal space and rules of social behavior in order to successfully conduct business in China?

    asked by Anonymous
  279. Physics

    An airplane takes off at a constant speed of 331 m/s at an angle of 45 degrees. What is the airplane's horizontal velocity

    asked by Kel
  280. Algebra 2

    i need help solving the problem 3x+y=-1 2x+3y=18 using substitution

    asked by crystine
  281. Business Finance - Check/Help

    Smith Manufacturing is considering the sale of two non depreciable assets, A and B. Asset A was purchased for $2000 and will be sold today for $2250. Asset B was purchased for $30,000 and will be sold today for $35000. The firm is subject to a 40% tax rate

    asked by Sam
  282. biology

    im so confused with all of these okay so it tells me to do this table thing and the titles on the top are macromolecule,monomers, and function then it had beneath macro. carbohydrates, protein, lipids, and nucleic acids does anyone know how to explain this

    asked by alexus
  283. Math

    Vanessa presented a report on Japanese tea rooms to her class. The floors are usually covered with square and rectangular tatami mats. She drew one way to cover square floor with a square half tatami mat qnd four rectangular full mats. The area if the half

    asked by Bella S
  284. ALGEBRIA 2

    QUESTION IS: X X 4(x) +5 WHEN X = -2

    asked by BROWNIE
  285. Physics

    A rowboat crosses a river with a velocity of 3.42 mi/h at an angle 62.5° north of west relative to the water. The river is 0.805 mi wide and carries an eastward current of 1.25 mi/h. How far upstream is the boat when it reaches the opposite shore?

    asked by Elaine Jetton
  286. Logic

    A radical skeptic might be willing to doubt which of the following? 3 + 5 = 8 Grass is green. Cheese is fattening. *All of the above Is this correct?

    asked by Mani
  287. Science

    Professor Klinger says that all of your ideas come from interaction with the enviroment rather than anything that you were born with. The professor is advocating a theoretical perspective based on what veiw?

    asked by Jami