Questions Asked on
January 20, 2013

  1. physics

    A 5-kg crate is resting on a horizontal plank. The coeffi- cient of static friction is 0.5 and the coefficient of kinetic friction is 0.4. After one end of the plank is raised so the plank makes an angle of 25 with the horizontal, the force of

  2. chemistry

    What mass of lead (ii) trioxonitrate(v) would be required to yield 9g of lead(ii)chloride on the addition of excess sodium chloride(pb=207,N=14,O=16,Na=23,cl=35.5)

  3. Trig

    Find the point on the terminal side of θ = three pi divided by four that has a y coordinate of 1. Show your work for full credit.

  4. Math

    A 5.0 m tree is leaning 5° from the vertical. To prevent it from leaning any farther, a stake needs to be fastened 2 m from the top of the tree at an angle of 60°with the ground. How far from the base of the tree, to the nearest metre, must the stake be?

  5. physics

    Two forces who's resultant is 10N,are perpendicular to each other if one of them make an angle 60 degree with their resultant. Calculate its magnitude.

  6. math

    a soccer ball is kicked from the ground. after travelling horizontal distance of 35m,it just pass over a 1.5m tall fence before hitting the ground 38m from where it was kicked. Determine the equationi of a quadratic function that can be used to model the

  7. Math

    A jet flew from Tokyo to Bangkok, a distance of 4800km. On the return trip the speed was decreased by 200km/h. If the difference times of the fights was 2 hours, what was the speed from Bangkok to Tokyo.

  8. Earlychilodhood education

    Kayla is 18 months old. She looked at Mrs. Crenshaw and said, "seblisboo." Mrs. Crenshaw did not understand any of what Kayla said, but her best response would be: A. "Say that again slowly." B. "Did you want to go outside?" C. "Speak clearly. I can't

  9. math- plz help

    The denominator of a fraction is greater than its numerator by 9. If 7 is subtracted from both its numerator and denominator, the new fraction equals 2/3. What is the original fraction?

  10. Trig

    The point P(3, 4) is on the terminal side of θ. Evaluate tan θ. 3/4 3/5 4/3 4/5

  11. maths

    A farmer has 100metres of wire fencing from which to build a rectangular chicken run.He intends using two adjacent walls for two sides of the rectangular enclosure. Detrmine a formula for the enclosed area in terms of x

  12. Earlychilodhood education

    If we put this ice cube out in the sun, what do you think will happen?" This is a/an __________ question. A. explanation B. divergent thinking C. observation D. convergent thinking

  13. Math - logs

    the log(10^ -1)of 3.66 = of 9.86 = of -2.8 = please help. (the 10^-1 is the subscript to log)

  14. Chemistry

    If the equilibrium concentrations are [PCl5] = 1.0M, [Cl2] = 0.10M, what is the equilibrium constant value? PCl5(g) PCl3(g) + Cl2(g) Would you mind showing the calculations Please. I've been working on this problem over an hour now. Not certain if I am

  15. Physics

    Two metallic wires of the same material have the same length but cross-sectinal area is in the ratio of 1:2.they are connected in 1)-series 2)-parallel. Compare the drift velocities of the electrons in the two wires in both the cases. Plzz help

  16. Math

    A hot air balloon is observed from two points A and B on the ground A and B are 800 feet apart the balloon is east of both points the angle of elevation from A to the balloon is 37 degrees and the angle of elevation from B is 65 degrees what is the

  17. maths

    A farmer has 100metres of wire fencing from which to build a rectangular chicken run.He intends using two adjacent walls for two sides of the rectangular enclosure. Detrmine a formula for the enclosed area in terms of x

  18. physics

    An equipotential surface that surrounds a point charge q has a potential of 516 V and an area of 1.01 m2. Determine q

  19. chemistry help plz

    benzene ring-N-H-CH3 H \ N-benzene ring / CH3 select the class of compound from the choice below. 1-acetal 2-alcohol 3-alkene 4-amide 5-amine 6-carboxylic acid 7-ester 8-haloalkane

  20. Physics

    The focal length of the objective of a telescope is 0.2 m and the eyepiece has a focal length of 1.6 m. What is the length of the telescope? A. 1.8 m B. 1.4 m C. 1.6 m D. .90 m E. 8.0 m

  21. Statistics

    3 balls are drawn successively from a box containing 6red,4 white and 5 blue balls.Find the probability that they are drawn in order red,white and blue if:(a)each ball is replaced.(b)balls are not replaced

  22. Math help

    Complete the table to determine the balance A for $20,000 invested at rate r = 6% for t years, compounded continuously. chart looks like this: t 10 20 30 40 50 A ___ ___ ___ ___ ____ I need to answer A

  23. Earlychilodhood education

    Karen asked, "Where does rain come from?" The best response for her teacher is: A. "The clouds." B. "I don't really know, Karen." C. "How could we find out where rain comes from?" D. "That's really hard to understand, Karen."

  24. structure and function of the human body

    With your understanding of bone and muscle tissue (cells and the extracellular material) discuss two lifestyle factors (one for bone and one for muscle) that affect the growth, development, size and/or healing (positively or negatively) of the tissue. Also

  25. PHI 103

    Mrs. Orlof teaches two history classes, one in the morning and one in the afternoon. Yesterday she gave the same test to both classes. Anyone who failed the test must take a retest. Since a greater percentage of students who took the morning test failed

  26. math: standard deviation

    Calculate the standard deviation for the following yields of corn: 142, 161, 132, 143, 147, 145, 146, and 152 bu/ac. Are all yields obtained within one standard deviation of the mean?

  27. Math

    A picture must be hung on a wall were the distance from the floor to ceiling is 8 feet. The center of the picture mist be 5 1/4 feet from the floor. Determine the distance from the ceiling to the top of the picture frame How do I do this solve this?

  28. Gen Chem II

    A gas-forming reaction produces 1.60 m3 of gas against a constant pressure of 127.0 kPa. Calculate the work done by the gas in joules. Please explain. Thanks!

  29. Precalc

    A tower is supported by a guy wire 610 ft long. If the wire makes an angle of 69 degrees with respect to the ground and the distance from the point where the wire is attached to the ground and the tower is 125 feet. a) State if the law of sines or cosines

  30. Math

    The CN Tower in Toronto, Canada, is the tallest free-standing structure in North America. A woman on the observation deck, 1150 ft above the ground, wants to determine the distance between two landmarks on the ground below. She observes that the angle

  31. graphs in math

    C varies inversely as J. If C = 7 when J = 0.7, determine C when J = 12

  32. MMSS

    the volume of 500g sealed packet is 350 cubic centimeters. Will the packet float or sink in the water if the density of water is 1 gm per cubic meter ? What will be the mass of water displaced by this packet

  33. MAth help plz..

    a rectangular prism has the 3 sides measuring x-1, x-1 and 2x+2 centimeters. Create a simplified equation to represent R, the ratio of the surface area to volume. State any logical restrictions on x.

  34. ALGEBRA

    SOLVING INEQUALITY 5X+3X+X> OR EQUAL TO 2+3X+16 PLEASE HELP

  35. Chemistry

    Calculate the mass concentration of H2SO4 in a solution of 36%, with density 1.84g/cm3

  36. math (6 grade)

    What are objects that are between 5 centimeters to 8 centimeters long?

  37. MATH

    Find the solution/point of intersection of the following quadratic-linear system. Show steps appropriately: y+x^2=-6x-3 and x+y-1=0. Solve using both an algebraic and graphical method.

  38. Earlychilodhood education

    Which one of the following is probably NOT one of the reasons that circle times fail? A. The space was large and open. B. The songs were repeated daily. C. The time period lasted too long. D. The teacher read a chapter book, hoping to encourage the

  39. math 11

    Current price is $100, current salesbare 5000 units. For every increase in price of $1, sales decrease by 20 units. Find optimum revenue.

  40. Tran

    What will happen to the time of collision if you add weight to a cart but keeps its speed the same and send it rolling down a incline towards a force sensor?

  41. functions

    Given r, x, y, θ of a triangle, solve for the missing parts. a. r = 13, x =–5; b. x = 7, y = –11; c. θ = 133˚ and r = 44.

  42. MATH HELP!!!

    Given: A is 20˚, b = 50 cm, for what possible range of lengths of side “a” would ABC have two possible solutions (approximate to 2 decimal places)?

  43. AMERICAN GOVERMENT

    Please help The weaknesses of the Articles of Confederation were dramatized by all of the following except My ANSWER is (D) (A) the Newburgh Conspiracy. (B) Shays’ Rebellion. (C) the absence of a centralized authority. (D) the absence of a single

  44. Physics

    What will happen to the time of collision if you add weight to a cart but keeps its speed the same and send it rolling down a incline towards a force sensor?

  45. Math

    Given: sec θ = –6.4, 0˚  θ  360˚ , solve for θ.

  46. Earlychilodhood education

    Question 2 of 20 5.0 Points Hannah said, "I like blue the best. It is my favorite color. I am the only one who likes blue this much. That's why everything of mine is blue." This is typical of __________ speech. A. personal function B. heuristic function C.

  47. Pol 201 American National Goverment

    Please help The weaknesses of the Articles of Confederation were dramatized by all of the following except My ANSWER is (D) (A) the Newburgh Conspiracy. (B) Shays’ Rebellion. (C) the absence of a centralized authority. (D) the absence of a single

  48. Math

    Part 1: How are exponential growth and decay present in the real world? Give at least 2 examples for exponential growth and 2 examples of exponential decay. Thank You.

  49. Earlychilodhood education

    Kayla is 18 months old. She looked at Mrs. Crenshaw and said, "seblisboo." Mrs. Crenshaw did not understand any of what Kayla said, but her best response would be: A. "Say that again slowly." B. "Did you want to go outside?" C. "Speak clearly. I can't

  50. math

    The highest point on a trail, a pass with elevation of 1116 m, can be attained by climbing a 3.20 mile route from a waterfall, elevation of 60 m. The elevation gain from the waterfall to the pass is ___ feet. Do I just subtract 1116 - 60 = 1056 m and

  51. math

    from a point 50 m from the base of a cliff, a surveyor measures the angle of elevation to the top of the cliff as 73.2 degrees. how tall is the cliff to the nearest metre.

  52. math

    on a scale drawing 1/2 in.=1 ft. a room is pictured as 8in. by 6.5 inches. What are the actual dimensions in feet?

  53. Earlychilodhood education

    Question 4 of 20 5.0 Points Karen asked, "Where does rain come from?" The best response for her teacher is: A. "The clouds." B. "I don't really know, Karen." C. "How could we find out where rain comes from?" D. "That's really hard to understand, Karen."

  54. College Algebra help please

    I need some help with a handful of questions. I need to see the steps on how to get to the final answers. I would also appreciate if you can explain how you got to those steps. Rationalize each expression by building perfect nth root factors for each

  55. Math

    Translate and simplify "six less than twice the sum Of a number and three. I was not sure how to set it up Is it 2(x+3)-6 Or would it be set up 2x+3-6 I can solve it once I know how to set up the equation. Confused. Thanks for your help

  56. Calculus

    Which of the following is the Taylor series of ln(1−2x) about x=0 up to and including the terms of order three? What is order three?

  57. Chemistry

    What mass of glucose can be produced from a photosynthesis reaction that occurs using 21.2 mol CO2? Answer in units of g

  58. math150

    256x^8+30=31 how do i get rid of the x^8 (can someone show me the steps please)

  59. Math

    Please please....... What is the domain and range of y=3^x-4?????

  60. Pre Algebra

    In the given right triangle, find the missing length. The triangle has 24m on the right and on the left is c and at the bottom is 10m. a. 28m b. 26m c. 25m d. 27m

  61. Math

    A picture must be hung on a wall were the distance from the floor to ceiling is 8 feet. The center of the picture mist be 5 1/4 feet from the floor. Determine the distance from the ceiling to the top of the picture frame How do I do this problem? Thanks!!

  62. Math

    A bowling ball is dropped from a bridge, and it takes 7 seconds to hit the ground. How far did the bowling ball fall?

  63. math

    Simplify: (4x + 5)(4x2 + x - 4)

  64. science

    what volume of air is contained in an empty 250 mL aluminum can

  65. Math

    Under what circumstances is fog = gof always true? When is this statement true for f(x) = x2 + x – 2 and g(x) = x + 4? (4 marks)

  66. geography

    Importance of weather records

  67. GTCC

    If you have swam one lap in a swimming pool, that means you have swam from one end to the other and back. In 4 h, a swimmer makes exactly 93 laps in a swimming pool that is 50 m long. Determine the distance the swimmer traveled, the total displacement of

  68. Physics

    If instead, the swimmer makes 93.5 laps in the same pool in 4 h, determine the total distance the swimmer traveled, the swimmer's total displacement, the swimmer's average velocity, and the swimmer's average speed.

  69. chemistry

    23 grams of NaOH is dissolved in 1.5L of water, find; a)Concentration of the solution b)pOH c)pH

  70. Physics

    A pendulum and a mass spring system are both undergoing simple harmonic motion on Earth (use g = 10 N/kg). It is observed that every time the pendulum goes back and forth, the spring has gone up and down 12 times. If the pendulum has a length of 4 meters

  71. Math

    A rocket sled exerts 3.00(10^4) N of thrust and has a mass of 2.00(10^3) kg. What does it do "zero to sixty" in? How many g's does it achieve?

  72. math

    total of 17 heads and 42 feet with 3 times more ducks as pigs so how many duck do you have

  73. Chemistry

    A vessel containing 39.5 cm3 of helium gas at 25°C and 106 kPa was inverted and placed in cold ethanol. As the gas contracted, ethanol was forced into the vessel to maintain the same pressure of helium. If this required 17.8 cm3 of ethanol, what was the

  74. physics

    a 65 kg student, starting from rest , slides down an 8 meter high water slide. how fast is he going at the bottom of the slide ?

  75. biology

    Show that germinatingseeds produce heat energy.

  76. physics

    a 40 kg high jumper leaves the ground with a speed of 6m/s. how high can he jump ?

  77. chemistry

    a container has the dimensions of 2.5 m x50 cm x60 mm. It is filled with water at 0.0 degrees celsius,how many kilocalories will be necessary to heat the water to boiling point?

  78. 5th grade Language Arts

    I missed these questions on homework about adjectives. Can you double check my corrections? Directions: 1. tell what is the adjective 2. what noun or pronoun it's describing Sentences: 1. Rhode Island is a small state. My orig ans: 1. small, 2. Rhode

  79. Anthropology

    Which environment is least likely to be inhabited by pastoralists? (Points : 1) grasslands savannahs tropical forests deserts

  80. Cultural Anthropology

    A Big Man’s position differs from a chief’s position is not based on wealth. is based on personal skills and charisma. is an ascribed status. is reinforced through supernatural authority. My answer is a ascribed status is this correct?

  81. HELP PLEASE

    Twelve college students were surveyed about the distance from their house to the college they attended. 12 18 54 13 15 24 8 5 14 27 1 20 1. Using the data set above, find the percentile ranking for the data point 24. (is this 75th percentile? 2. Using the

  82. Chemistry

    The distance between Miami and Key Largo is 70 miles. If a mile is 5280 ft and an inch is 2.54 cm, Calculate this distance in Kilometers

  83. math

    d=170 feet,t=34seconds r=ft/sec

  84. statistics help please!

    Twelve college students were surveyed about the distance from their house to the college they attended. 12 18 54 13 15 24 8 5 14 27 1 20 1. Using the data set above, find the percentile ranking for the data point 24. (is this 75th percentile? 2. Using the

  85. Business Law

    Joe an Idaho resident was driving in Tenn. and struck Jane, a Tenn. resident. Which is true? 1. Jane can sue Joe in Tenn. federal court if her damages are greater than $75,000. 2. Jane can't see Joe in Tenn federal court because Joe isn't a resident. 3.

  86. ALGEBRA 1 PLEASE HELP! I DONT UNDERSTAND

    In basketball you score 2 points for a field goal and 1 point for a free throw. Suppose that you have scored at least 3 points in every game this season, and have a season high score of 15 points in one game. How many field goals and free throws could you

  87. Physics

    Vector A has a magnitude of 5.00 units, vector has a magnitude of 5.00 units, and the dot product A·B has a value of 16. What is the angle between the directions of A and ?

  88. Health Safety and Nutrition for young children

    A plant in the classroom is wilting. The children are asked to come up with as many possible explanations for this as they can. They are engaged in the second stage of decision making, called

  89. chemistry

    how to convert 2.80cm into grams?

  90. math

    How can you tell 4/5 is in simplest form

  91. math

    suppose you invest $500 in a savings account that pays 3.5% at an annual interest. When will the account contain $650?

  92. math

    0= -4.9t^2+24t+3000 solve for t

  93. 4th grade math

    How do you solve 41/2-1/4=?

  94. geometry

    I need help on a question that wants me to find x and y on a 45-45-90 triangle they only give me one side wich is three.I already solved for x which is three root two over two...Is that right? I don't know how to solve for y... Please someone help me....:(

  95. math

    Twelve college students were surveyed about the distance from their house to the college they attended. 12 18 54 13 15 24 8 5 14 27 1 20 1. Using the data set above, find the percentile ranking for the data point 24. (is this 75th percentile? 2. Using the

  96. Math help please!!

    Given: angle A is 20˚, b = 50 cm, for what possible range of lengths of side “a” would triangle ABC have two possible solutions (approximate to 2 decimal places)?

  97. Math

    A local music store was selling a guitar for $239. They then lowered the price to $199. How much is the percent of discount?

  98. Math

    a mother wants to invest 5000 for her sons future education. She invests a portion of the money in a bank certificate of deposit which earns 4% and the remainder in a savings bond that earns 7%. If the total interest earned after one year is $300.00,how

  99. math

    Chord BC is drawn in a circle with a radius of 3cm. Chord BS is 4cm long. Find the perpendicular distance from A to chord BC

  100. Math

    Many nations compare the value of their currency to the US dollar. On a day early in 2009, $1 CDN (1 Canadian dollar) was worth $0.8290 USD (US dollar). This is known as an exchange rate. On the same date $1 USD could be used to buy 0.7579 Euros or 0.6709

  101. Psychology

    what were the implications of Babbage's calculating engine for the new psychology?

  102. Math

    What is the domain and range of f(x)=3^x-4

  103. Math

    Many nations compare the value of their currency to the US dollar. On a day early in 2009, $1 CDN (1 Canadian dollar) was worth $0.8290 USD (US dollar). This is known as an exchange rate. On the same date $1 USD could be used to buy 0.7579 Euros or 0.6709

  104. Math

    Carrie runs 5 loops of mi each and Chris runs 2 loops of mi each. Who runs farther and by how much?

  105. math

    The sum of the distances two hikers walked is 53 mi, and the difference is 25 mi. What are the distances?

  106. algebra 1

    what steps someone would take to use your method (substitution) and a clear argument stating the reason why your method is better than the other ones. (in other words, come up with a few good sentences that explain why you choose your method and why others

  107. Physics

    A ball player hits a home run, and the baseball just clears a wall 20.6 m high located 132.0 m from home plate. The ball is hit an an angle of 35° to the horizontal, and air resistance is negligible. Assume the ball is hit at a height of 1.1 m above the

  108. concepts to population health

    Why should health care managers use available federal, state and local sources of population health data

  109. Microsoft Excel

    Is there a way to automatically fill the “DATE” when creating a new worksheet tab....Please help.. Thank you

  110. Math

    what is 1944 in roman numerals?

  111. math

    a roofer measured the side of a roof to be 4.8 m long . It rises a height of 3.2 m . at what angle does the roof rise to the nearest degree?

  112. chemistry help plz

    H / benzene ring-N \ CH3 select the class of compound from the choice below. 1-acetal 2-alcohol 3-alkene 4-amide 5-amine 6-carboxylic acid 7-ester 8-haloalkane

  113. math150

    [((5x^8)/(4y^7))^5]*[(4^4y^2)/(5^2x^-2)]

  114. Science

    What is the warmest location in Arizona? Please help me.

  115. accounting

    Maria Gonzalez opened a veterinary business in Nashville, Tennessee, on August 1. On August 31, the balance sheet showed Cash $9,000, Accounts Receivable $1,700, Supplies $600, Office Equipment $6,000, Accounts Payable $3,600, and M. Gonzalez, Capital

  116. Chem.

    What is the mass (in kilograms) of a cube of silver that measures 0.68 on each side, when the density of the sample is 10.5g/cm3

  117. 150 math

    solve the equation for m 81m^4+54=70

  118. Chem.

    What is the mass (in kilograms) of a cube of silver that measures 0.68m on each side, when the density of the sample is 10.5g/cm3

  119. Chemistry help please

    At pressures greater than 60,000 kPa, how does the volume of a real gas compare with the volume of an ideal gas under the same conditions? A.)It is much greater. B.)It is much less. C.)There is no difference. D.)It depends on the type of gas. I think it is

  120. Business Law

    Answers for If I Live In Idaho And Have An Accident In Tennessee, Can The Person I Hit In Tennessee Sue Me In Tennessee If Damages Are Over $75,000?

  121. math

    a scale distance of 3.5 cm on a certain maps represents an actual 17.5 km.what actual area does 7 square centimetres on the dame map represents?

  122. grade 10 history

    I have a SUPER HUGE project due called National History day and need lots of help with it, plz plz plz help!!!!!

  123. Math

    What is the domain and range of y=3^x-4

  124. physics

    A uniforbm beam 6m long weighing 4kg rest on supports at p and q placed left and right 10m from each end of the beam weights of mass 10kg and 8kg are placed near p and q respectively on each end of the beam . calculate the reactions at p and q ?

  125. maths-urgently

    An arc of a circle is of length 5p cm and the sector is bounds has an area of 20p cm^2 find the radius of the circle.

  126. math

    solve and express the answer as an improper fraction in lowest terms 5/6-2/3(6-1/2)+3/4 I did 5/6-4+1/3+3/4 -31/6+1/3+3/4 -19/6+1/3+3/4 -38/12+4/12+9/12 -34/12+9/12 -25/12 is this correct? thanks

  127. math

    First estimate the answer. Then multiply to find the exact answer. Simplify all answers. 8 1/6 . 9 3/4

  128. science

    a cricket ball is thrown straight upward in the air at 14 m/s.determine the maximum height reached by the ball

  129. maths

    simple interest and compound interest on what sum will the compound interest at 10% per annum for 3 years compounded annually be Rs 331?

  130. physics

    Two capacitors are identical, except that one is empty and the other is filled with a dielectric (k = 4.5). The empty capacitor is connected to a 15 -V battery. What must be the potential difference across the plates of the capacitor filled with a

  131. physics

    The resultant of two forces x and y will be greatest with the angle between x and y.

  132. maths-urgently needed

    A cube or a cuboid had the volume the measurement of the cubiod area in the ratio 1:2:3 if the difference between thee cost of painting the cuboid & cube (whole surface area) at the rate of 5m is rs80 find their volume

  133. Religious Studies

    When did the First Crusade start & end? Like as in the exact date? I can't seem to find it in any of my information books or online!

  134. chemistry

    Explain very briefly why the boiling point of H2O is higher than that of H2

  135. math multiplying & divding mixed numbers

    An estimate for 8 1/6 . 9 3/4 Simplify your answer. Type a whole number, proper fraction, or mixed number

  136. english

    assignment on common man's crusade

  137. math

    Solve the following equations. 1. 3n = 6 2. 2s = 10 3. 6x = 24 4. 5y = 20 5. 10t = 30 6. 7n = 35

  138. math

    the axes are rectangular and a point P moves on the fixed plane lx+my+nz=p.the plane through P perpendicular to OP meets the axes in A,B,C parallel to YOZ,ZOX,XOY intersect in Q.show that the locus of Q is p{1/x2+1/y2+1/z2}=l/x+m/y+n/z

  139. math multiplying & divding mixed numbers

    An estimate for 8 1/6 . 9 3/4 Simplify your answer. Type a whole number, proper fraction, or mixed number

  140. Business Law

    John was arrested under a New Jersey statute that made it a crime to wear green shorts. John argues that a similar stature was declared unconstitutional by the California state court, so the NJ state court is required to declare NJ statute

  141. Physics

    A sports car moving at constant speed travels 150 meters in 5.4 seconds , then brakes and comes to a stop in 3.9 seconds What is the magnitude of its acceleration in ? What is the magnitude of its acceleration in g's (g= 9.80 m/s^2 )?

  142. math

    The 6th term of an arithmetic sequence is x while the 11th is y find the 1st 2 terms

  143. Physics

    If a wave has a frequency of 24Hz and a wavelength of 15m, how do you calculate the speed of the wave ???? Please help

  144. Physics

    If a wave has a frequency of 24Hz and a wavelength of 15m, how do you calculate the speed of the wave ???? Please help

  145. math

    by how much would the number 4308 change if the digit 3 were replaced with the digit 1 ?

  146. science

    leila walks south for 20m and then west for 20m,determine resultant displacement

  147. Calc

    A car is moving at 40 mi/h along a straight line when the driver sees a light turn red. She hits the brakes when she is 100 ft from the light and decelerates at the rate of 16 ft per second squared. How far does she travel before stopping? Choose the whole

  148. marketing

    she purchase a lamp for Rs. 900 and sell it for Rs. 1500, determine the following a)rupee markup, b)markup percentage on cost, c)markup percentage of selling price

  149. physics please please please help me!

    A neutral nitrogen atom has 7 electrons, 7 protons, and 7 neutrons. What is its total charge? If we remove 2 of the electrons, now what is its charge? what is its charge if we add 2 electrons to the neutrol atom instead? give charge in Coloumbs.

  150. Chemistry

    What would be the concentration of dinitrogen pentoxide after 6.00 X 10(2) seconds and how long would it take for the concentration of N2O2 to decrease to 10.0% of its initial value in the following equation... N2O5 to NO2 and O2 initial concentration is

  151. PHYSICS PLEASE HELP!

    Two nitrogen atoms are separated by 4 cm. Each atom has 2 extra electrons. What is the force between them? is it attractive or repulsive? Explain.

  152. Chemistry

    How many grams Al and how many grams Cr2O3 should be taken to gain 10g Cr.How many grams of Al2O3 will be spent? Reaction: Cr2O3 + 2Al -> 2Cr + Al2O3

  153. Earlychilodhood education

    Karen asked, "Where does rain come from?" The best response for her teacher is: A. "The clouds." B. "I don't really know, Karen." C. "How could we find out where rain comes from?" D. "That's really hard to understand, Karen."

  154. CHEMISTRY

    Whats the mass concentration of H2SO4 in a solution with percent mass 36% and density 1.84g/cm3 W(H2SO4)=36%? density(H2SO4)=1.84g/cm3 MassConcentration=?

  155. english

    1.How do decrease distance between subjects and verbs in this sentence. • Species of the genus Drosophila reproduce in a wide range of different resources, including fruits, sap, flowers, mushrooms and cacti. Drosophila species and their resources also