Questions Asked on
October 17, 2013

  1. science

    if 8.100 grams of C6H6 is burned and heat is produced from the burning is added to 5691 grams of water at 21 degrees celsius what is the final temp of the water? 2C6H6+15O2=12CO2+6H2O+6524kj

    asked by lucy
  2. science help plzzz

    1. Over time, a particular plant has developed a longer stamen. Which of the following is a possible advantage of having a longer stamen? (1 point) A longer stamen could ensure that an insect brushes against an anther and picks up pollen. A longer stamen

    asked by josh
  3. Can someone check these answer for me?

    Multiple Choice 1. Over time, a particular plant has developed a longer stamen. Which of the following is a possible advantage of having a longer stamen? (1 point) A longer stamen could ensure that an insect brushes against an anther and picks up pollen.**

    asked by josh
  4. Science

    How did planetesmals form planets?

    asked by Ariyon
  5. Health

    1). State how each of the six risk behaviors could affect one of your goals. A: Each of the six risk factors could affect my goal of becoming an actress immensely. Drug and alcohol use, poor dietary problems, and tobacco use could harm my physical health,

    asked by Anonymous
  6. Health

    1). Which three kinds of direct pressure do you experience most often? A: Persuasion, explanations, and put-downs are the three kinds of direct pressure I experience most often. 2). Which three kinds of indirect pressure do you experience most often? A:

    asked by Anonymous
  7. maths

    A straight highway leads to the foot of a tower of height 50m. From the top of the tower, the angles of depression of two cars standing on the highway are 30 degree and 60 degree. What is the distance between the two cars and how far is each car from the

    asked by Ruth
  8. Physics

    At t=1.0s, a 0.60kg object is falling with a speed of 6.0 m/s. At t=2.0s, it has a kinetic energy of 25 J. a) What is the kinetic energy of the object at t=1.0s? b)What is the speed of the object at t=2.0s? c) How much work was done on the object between

    asked by Lhaedy
  9. English

    1. What about Thoreau�s night in jail made him angry? (1 point) The fact that his stay in prison was too short to make a point. *The interference with his protest. The uncomfortable accommodations. 2. Why do the playwrights refer to their protagonist

    asked by Cassie
  10. Education

    Which of the following statements about discipline is true? A) High SES parents spank more than low SES. B) Latino parents spank more than African American parents. C) African American parents spank more than White parents. D) Most cultures teach children

    asked by Lor
  11. Physics

    Two ice skaters, Daniel (mass 70.0kg ) and Rebecca (mass 45.0kg ), are practicing. Daniel stops to tie his shoelace and, while at rest, is struck by Rebecca, who is moving at 14.0m/s before she collides with him. After the collision, Rebecca has a velocity

    asked by Andrew
  12. Geometry

    When the angle of elevation to the sun is 52 degrees, a tree casts a shadow that is 9 meters long. what is the height of the tree? round to the nearest tenth of a meter

    asked by Marquis
  13. Math. Explanation Needed

    If you are asked to find 621/59=, how do you know to quotient is greater than 10 before you actually divide?

    asked by Anonymous
  14. Science

    How does dna determine a trait such as eye color

    asked by Steve
  15. Solar Energy Help ASAP

    In the figure below the absorption coefficient as a function of the wavelength for several semiconductor materials is presented. Let's consider monochromatic light of photons with energy of Eph=1.55eV that incidents a film with thickness d. If we ignore

    asked by Anonymous
  16. math

    Jackson has 14 pet birds and rabbits. The total number of rabbits have 44 more legs than the total number of birds. How many pets birds does he have?

    asked by Jada
  17. Health

    11). Describe how each of the following influence affect your behavior. a. friends b. family c. the Internet d. TV A: a. Friends can affect your behavior as your friends can influence you through peer pressure? b. ? c. ? d. Television can affect your

    asked by Anonymous
  18. Physics

    Suppose the observed motion of a moving airplane, illustrated by a distance vs. time graph, is nearly a straight line with zero distance traveled at zero time. State what this shows about the relationship between distance and time, name the type of

    asked by Gianna
  19. Physics

    A daredevil decides to jump across a 15 m wide canyon on his motorcycle. The opposite side of the canyon is 3 m lower than the side the daredevil starts on. The daredevil drives his motorcycle off the cliff at a speed of 27 m/s. How long does it take the

    asked by Olivia
  20. vocabulary

    Shortly before the Russian Revolution, an eccentric man namen Rasputin became (1)

    asked by David
  21. Education

    What seems to underlie self-control and ability to delay gratification? A) metacognition B) behavior modification C) imitation of effective models D) executive functions I believe the answer is D, is this correct?

    asked by Lor
  22. Chemistry

    What determines the greatest buffer capacity when looking at solutions? The professor said he would have a list of solutions on the test and we choose the one with the best buffer capacity

    asked by Kyle
  23. chemistry

    Each of the following is placed in a dialyzing bag and the bag is then immersed in distilled water. Which substances will be found outside the bag? Check all that apply. NaCl solution albumin solution starch solution

    asked by mona
  24. physics

    The alarm at a fire station rings and a 83-kg fireman, starting from rest, slides down a pole to the floor below (a distance of 3.9 m). Just before landing, his speed is 1.3 m/s. What is the magnitude of the kinetic frictional force exerted on the fireman

    asked by collin.saccoman
  25. Solar Energy Help ASAP

    The current density of an ideal p-n junction under illumination can be described by: J(V)=Jph−J0(eqVkT−1) where Jph is the photo-current density, J0 the saturation-current density, q the elementary charge, V the voltage, k the Boltzmann's constant, and

    asked by Anonymous
  26. Gen Chm 2

    What determines the greatest buffer capacity when looking at solutions? The professor said he would have a list of solutions on the test and we choose the one with the best buffer capacity.

    asked by Kyle
  27. physics

    A spring has a spring constant of 25N/m . Part A How much work is required to stretch the spring 2.0cm from its equilibrium position?

    asked by Lidia
  28. Solar Energy Help ASAP

    Let's assume that solar light reaches a silicon solar cell with an angle of incidence of θi=0o. For simplicity, let's consider the refractive index of silicon to be nSi=3.5. The refractive index of air is nair=1. What percentage of light would be lost due

    asked by Anonymous
  29. MATH

    Fabio said that there are 3 times as many people on a basketball team as on a tennis team. Is he correct? Explain why or why not.

    asked by ALEXANDRA
  30. maths

    The shadow of a tower standing on a level ground is found to be 2x meters longer when sun's altitude is 30 degree than when it was 45 degree.Find the height of the tower.

    asked by Ruth
  31. Solar Energy Help ASAP

    John has used a solar simulator setup to measure the relation between the voltage and the current of a small photovoltaic cell (40 cm long and 40 cm wide). The measurement setup maintains the standard measurement conditions: the temperature is controlled

    asked by Anonymous
  32. economics

    Suppose the demand curve for a monopolist is QD = 500 − P, and the marginal revenue function is MR = 500 − 2Q. The monopolist has a constant marginal and average total cost of $50 per unit. a.Find the monopolist’s profit-maximizing output and

    asked by Em
  33. Chemistry

    how do I do this problem 0.700 mol of Na2S in 1.55 of solution?

    asked by Sam
  34. Health

    Read the passage below, and then answer the questions that follow. "As Marty pulled away from the curb, he thought about Sina's answer. He didn't understand it. Her response was ambiguous. Marty thought that maybe she wouldn't skip school with him and his

    asked by Anonymous
  35. Chemistry

    A sample of 1.018 g of KHP (potassium hydrogen phthalate, molar mass = 204.22 g/mol) was dissolved in ~ 25 mL distilled water and titrated with a NaOH solution of unknown concentration. If 28.69 mL of base was used to reach the endpoint, what was the

    asked by Maya
  36. Introduction to computers

    What type of device is characteristic of an enterprise environment

    asked by Anonymous
  37. Physics

    A spring has a spring constant of 25N/m . Part A How much work is required to stretch the spring 2.0cm from its equilibrium position?

    asked by Mike
  38. Business Success

    PREPARING FOR BUSINESS SUCCESS 1. When looking for capital, bankers and other lenders will usually feel most comfortable investing in a/an A. really original idea for a business. B. chain of new businesses. C. brand new business. D. existing business with

    asked by Anonymous
  39. geography

    Governments that are not comfortable with the influence of outside cultures on their population encourage _____. cultural diffusion cultural convergence cultural divergence cultural mosaics

    asked by Anonymous
  40. Spanish

    Tengo sed. ¿_____ un vaso de agua, por favor? A. Me trae B. Le traigo C. Me falta D. Quisiera I think it's A?

    asked by Brandon
  41. Math

    What are compatible numbers for 503/76=?

    asked by Anonymous
  42. Solar Energy Help ASAP

    A solar cell with dimensions 12cm x 12cm is illuminated at standard test conditions. The cell presents the following external parameters: Voc=0.8V,Isc=3A,Vmp=0.75V,Imp=2.5A Calculate the fill factor in percentage [%]: Calculate the efficiency (in %):

    asked by Anonymous
  43. American History

    How did homesteaders cause the spread of traditional values such as democracy and a strong work ethic?

    asked by Kelsey
  44. Health

    Practicing healthy behaviors every day can help you have god, life-long health. Think about such behaviors as you answer the questions below. 1). What are some healthy behaviors that apply to your life right now? A: Beginning to exercise regularly and

    asked by Anonymous
  45. Solar Energy Help ASAP

    Below you see a plot of an ideal and a non-ideal JV curve. Based on this plot and assuming an irradiance of 1000W/m2, give approximately the numerical values to the questions bellow: I. Estimate the ideal Fill Factor (in %): II. Estimate the non-ideal Fill

    asked by Anonymous
  46. science plz help right now!!!!

    Multiple Choice 1. Over time, a particular plant has developed a longer stamen. Which of the following is a possible advantage of having a longer stamen? (1 point) A longer stamen could ensure that an insect brushes against an anther and picks up pollen. A

    asked by josh
  47. physics

    LOOP, SPRING AND BEAD (14 points possible) A bead of mass m slides without friction on a vertical hoop of radius R . The bead moves under the combined action of gravity and a spring, with spring constant k , attached to the bottom of the hoop. Assume that

    asked by Anonymous
  48. American History

    1.What was the central conflict between Native American groups and the United States, and how did their goals differ? 2. (a)What attempts were made to solve the conflict, and what circumstances usually caused the efforts to fail? (b)What other solutions to

    asked by Kelsey
  49. chemistry

    How many grams of carbon dioxide are produced from 48.8 g of C4H10?

    asked by alexis
  50. English !!!

    Which relationships do many prepositions describe? A. size relationships B. value relationships C. personal relationships D. spatial relationships i think D?

    asked by vickie
  51. Health

    1). Explain the relationship between the key terms in each of the following. a. direct pressure and indirect pressure b. goal and action plan A: a. Direction pressure is the pressure that results from someone who tries to convince you to do something you

    asked by Anonymous
  52. Science

    Which procedure is the best way to find the correct mass of an object in a laboratory experiment? 1)make sure the balance works correctly before starting the measurement. Record the mass for three trials. Then average the masses. 2)Readjust the balance

    asked by Nicole
  53. Pre Algebra

    In Wilbur's math class, his grade is based on the average score of six tests, each worth 100 points. Wilbur always worries about his grade. He knows that his average on the first four tests is 88.5. What is the lowest average he could get on his next two

    asked by Ry
  54. physics

    Leroy, who has a mass of 100kg , is skateboarding at 8.4m/s when he smacks into a brick wall and comes to a dead stop in 0.2 s. Find his deceleration. Find the force of impact. (ouch!)

    asked by cassie
  55. physics

    A bead of mass m slides without friction on a vertical hoop of radius R . The bead moves under the combined action of gravity and a spring, with spring constant k , attached to the bottom of the hoop. Assume that the equilibrium (relaxed) length of the

    asked by leonard
  56. math

    what is the next number in the pattern: 3,4,6,9,13,18,24,____ ?

    asked by Anonymous
  57. Calc

    how do you find the inverse of f(x)=6x+10x^17

    asked by Britney
  58. CHEMISTRY

    1.) A solution is prepared by dissolving 5.00 g of stannic nitrate in enough water to make 250.0 mL of stock solution. A 15.0 mL aliquot (portion) of this stock solution is then removed and added to 75.0 mL of water. Calculate the concentrations of all

    asked by Anonymous
  59. Solving inequanities

    Write the solution to the inequanity in set builder notation 9t-4>32 t t>4 t t>6* my answer t t>28 t t>36

    asked by Alex
  60. Help!!

    An air-filled capacitor consists of two parallel plates, each with an area of 7.60 cm2, separated by a distance of 1.70 mm. (a) If a 16.0 V potential difference is applied to these plates, calculate the electric field between the plates. kV/m (b) What is

    asked by physics
  61. physics

    A 800kg , light-weight helicopter ascends from the ground with an acceleration of 3.00m/s2 . Part A Over a 6.50s interval, what is the work done by the lifting force? Part B What is the work done by the gravitational force? Part C What is the work done by

    asked by Lidia
  62. math

    William, Joseph, Margaret, Frank, and Jeffrey all work for the same company. Frank has been there the longest, eleven years, and makes the most money, three times as much as Jeffrey. Margaret has been there the second longest and makes $50,000 a year.

    asked by Anonymous
  63. physics

    A small steel ball rolls off a table (1 meter high) with a speed of 2 m/s. Where should they place a can (15 cm high; diameter 10 cm) to catch the ball?

    asked by Anonymous
  64. Science

    If 1 rabbit has brown fur and another has black fur, what conclusion can you draw about the rabbits genetic code?

    asked by Steve
  65. physics

    A 3.1 × 103 kg car accelerates from rest at the top of a driveway that is sloped at an angle of 19.5◦ with the horizontal. An average frictional force of 4.4×103 N impedes the car’s motion so that the car’s speed at the bottom of the driveway is

    asked by Anonymous
  66. chem

    A 30.5 g sample of an alloy at 90.7�C is placed into 48.8 g water at 22.3�C in an insulated coffee cup. The heat capacity of the coffee cup (without the water) is 9.2 J/K. If the final temperature of the system is 31.1�C, what is the specific heat

    asked by beti
  67. Health

    A short-term goal is one that can be achieved quickly, in days or weeks. The satisfaction of reaching a short-term goal can encourage you to work on long-term goals. Think about some of the factors involved in developing an action plan for a short-term

    asked by Anonymous
  68. American History

    Analyze the effects of the federal government's monetary policies such as tariffs and the gold standard, on the following groups: (a) farmers; (b) businesses and banks.

    asked by Kelsey
  69. Education

    Authoritarian parents A) accept more immature behavior than do other types of parents. B) favor punitive measures to control children’s behavior. C) reason with their children regarding rules. D) are more permissive than authoritative parents. I believe

    asked by Lor
  70. Chemistry. PLEASE HELP

    a) To make an acid solution, 6.8 x 10-3 mole of a strong acid (6.8 x 10-3 mole H3O+) is dissolved in water to give a 550 mL solution. What is the pH and [OH-] of the solution? b) 150 mL of water is added to 50 mL of the solution produced in question 3.

    asked by Anonymous
  71. Health

    In your life, you will face some decisions that are so serious that you will want to consult others. These are decisions that will affect your life and your health. In the following questions, you are asked to apply the Great Decisions model to a decision

    asked by Anonymous
  72. math

    Given the function k(x) = x2, compare and contrast how the application of a constant, c, affects the graph. The application of the constant must be discussed in the following manners: k(x + c) k(x) + c k(cx) c • k(x)

    asked by de3100
  73. English !!!

    What must a prepositional phrase include? A. a preposition and a noun or pronoun B. a preposition and an adjective or article C. a preposition and a verb or adverb D. a preposition and a conjunction or interjection C???

    asked by vickie
  74. physics

    A bead of mass m slides without friction on a vertical hoop of radius R . The bead moves under the combined action of gravity and a spring, with spring constant k , attached to the bottom of the hoop. Assume that the equilibrium (relaxed) length of the

    asked by Anonymous
  75. Chemistry

    To make an acid solution, 6.8 x 10-3 mole of a strong acid (6.8 x 10-3 mole H3O+) is dissolved in water to give a 550 mL solution. What is the pH and [OH-] of the solution?

    asked by Anonymous
  76. Pysics

    Marbles rolling down the ramp and horizontally off your desk consistently land 46.0 cm from the base of your desk. Your desk is 78.5 cm high. If you pull your desk over to the window of your second story room and "launch" marbles to the ground (6.04 meters

    asked by Carlos
  77. Physics

    If a 14N force is used to compress a spring with a spring constant of 5.0×102N/m , what is the resulting spring compression?

    asked by Mike
  78. Trigonometry - find all x

    Find all x such that 0

    asked by John
  79. Physics

    A 3.5 × 103 kg car accelerates from rest at the top of a driveway that is sloped at an angle of 16.9◦ with the horizontal. An average frictional force of 4.1×103 N impedes the car’s motion so that the car’s speed at the bottom of the driveway is

    asked by Willow
  80. maths

    A straight highway leads to the foot of a tower of height 50m. From the top of the tower, the angles of depression of two cars standing on the highway are 30 degree and 60 degree. What is the distance between the two cars and how far is each car from the

    asked by Ruth
  81. maths sets

    All the people in a class of 35 play at least one of the games volleball,netball and hockey.10 play volleball only,5 play netball only and 3 play hockey only.if 2 play many of all 3 gamez and the equal number play 2 games.how many altogether play volleball

    asked by Emilia
  82. physics

    A rocket moves upward, starting from rest with an acceleration of 29.4 m/s2 for 5.65 s. It runs out of fuel at the end of the 5.65 s but does not stop. How high does it rise above the ground?

    asked by Nicole
  83. MATH

    On a particular day, the school cafeteria offered 3 types of juice, 2 types of cereal, and 3 types of bread during breakfast. How many different meals can be formed of 1 juice, 1 cereal, and 1 type of bread?

    asked by Anonymous
  84. Science

    how do mrna and trna work together to make protein

    asked by Steve
  85. math

    Jackson has 14 pet birds and rabbits. The total number of rabbits have 44 more legs less than the total number of birds. How many pet birds does he have?

    asked by Jada
  86. college physics

    Show that 480W of power is expended by a weightlifter when lifting a 60-kg barbell a vertical distance of 1.2m in a time interval of 1.5s.

    asked by bbragg
  87. CHEMISTRY plz help

    In the accompanying chart are appropriate vapor pressures for benzene and toluene at various temperatures: Temp (C) mmHg Temp (C) mmHg Benzene 30 120 Toluene 30 37 40 180 40 60 50 270 50 95 60 390 60 140 70 550 70 200 80 760 80 290 90 1010 90 405 100 1340

    asked by Aishwarya
  88. Theology 9 - HELP!!!!!!!!!!!

    What does Bethany Hamilton's reaction reveal about her strength of character? (Soul Surfer)

    asked by Laurn
  89. Chemistry

    The label for a bottle of professional shampoo reads: “Acid balanced conditioning shampoo, pH 5.” a. What is the hydronium ion concentration of the shampoo. b. How is it that the claim the pH of the shampoo is 5 related to the fact the shampoo is acid

    asked by Anonymous
  90. Social Studies (History)

    Why is "Supply and Demand" the most important governing human behavior between 1860-1900?

    asked by Leonardo
  91. Math

    A proton has a size of 1.23x10^-11 and an electron has a size of 1.4x10^-8. How many times smaller is an electron than a proton? Show your work. If I divided 1.23x10^-11 and 1.4x10^-8, wouldn't 1.4x10^-8 be the numerator or the denominator? Please help!

    asked by Monica
  92. math

    Jim paddles from one shore of a lake three miles wide at 4 mph, and John paddles from the opposite shore at 5 mph. How long will they travel before they meet? (A). 20 minutes B. 3 hours C. 27 minutes D. 1 hour, 24 minutes How many feet are there in 24

    asked by Anonymous
  93. Computer Science

    Give a modular exponentiation algorithm that examines the bits of b from right to left instead of left to right.

    asked by Thomas
  94. Math

    cos 2(pi/4 + x) = ?

    asked by Tom
  95. English

    What is the adverb and what does it modify in this sentence: A large portion of the Amazon rain forest grows there.

    asked by Joe
  96. History

    why was "supply and demand" the most important law governing human behavior?

    asked by Leonardo
  97. math

    the total capacity of 1 carton is the same as the total capacity of 2 identical cups. If 1.8 liters of water are needed to fill up 3 identical cups and 2 identical cartons, what is the capacity of a cup? express your answer correct to 2 decimal places

    asked by heather
  98. quantum physics

    Now suppose we start with the qubit |ø(0)⟩=|0⟩ and we apply a magnetic field in the x^ direction at t=0. This corresponds to the Hamiltonian H=BX, where B is a constant and X is the usual bit flip gate. What are the coordinates (è,ϕ) of this qubit

    asked by Anonymous
  99. Algebra parallel and perpendicular

    y=3/4x-1 write equation for a line parallel to the given line passing through (4,0)

    asked by Tracy
  100. Health

    Sometimes it is important to make a good decision quickly. Read the passage below and answer the following questions. "Pete is at a party at his friend Rhonda's house. He is having a good time until he looks at his watch and realizes that he should have

    asked by Anonymous
  101. Physics

    A 3.5 × 103 kg car accelerates from rest at the top of a driveway that is sloped at an angle of 16.9◦ with the horizontal. An average frictional force of 4.1×103 N impedes the car’s motion so that the car’s speed at the bottom of the driveway is

    asked by Willow
  102. English !!!

    In poetry, stanzas are which of the following? A. sensory images B. lyrics C. metaphors D. groups of lines Maybe A??

    asked by vickie
  103. Math

    (This is just an example) A proton has a size of 1.23x10^-11 and an electron has a size of 1.4x10^-8. How many times smaller is and electron than a proton? Now the part I need help with the which scientific notation goes in the numerator? Is it 1.23x10^-11

    asked by Nicole
  104. Kinesiology

    What are the ABCs that kinesiologists in sport and exercise psychology study?

    asked by John
  105. physics

    A satellite with a mass of ms = 7.00 × 103 kg is in a planet's equatorial plane in a circular "synchronous" orbit. This means that an observer at the equator will see the satellite being stationary overhead (see figure below). The planet has mass mp =

    asked by Anonymous
  106. math

    A bag contains 5 red, 4 white and 6 blue marbles. Another bag with 9 blue marbles has the same ratio of blue to white marbles as the first bag. How many white marbles are there in the second bag?

    asked by Anonymous
  107. math

    when 7x^4-49x^3+7x^2 is divided by 7x^2, the quotient is when I divided I got x^2-7x+1 Is this correct?

    asked by Elle
  108. math

    Three dimes are tossed at the same time. What is the probability that all three land on heads?

    asked by Anonymous
  109. Math

    A proton has a size of 0.000000000123 and an electron has a size of 1.4x10^-8. How many times smaller is an electron than a proton? Show your work.

    asked by Monica
  110. algebra

    Frances left a 21% tip on a meal, including the tip, its cost was $54.45, what was the cost of the meal before tip.

    asked by Anonymous
  111. Business English

    It is the case that good communicators advance more quickly in the company. Which of the following would be the best revision of this sentence?

    asked by Michelle
  112. quantum physics

    8d. Now suppose we start with the qubit |ø(0)⟩=|0⟩ and we apply a magnetic field in the x^ direction at t=0. This corresponds to the Hamiltonian H=BX, where B is a constant and X is the usual bit flip gate. What are the coordinates (è,ϕ) of this

    asked by Anonymous
  113. math

    Find the inverse of each of these functions a)f(x)=x/x+2 b)f(x)=2x/5-x c)f(x)=3x/2x+1

    asked by jason
  114. Organic CHemistry Please help me out

    In the accompanying chart are appropriate vapor pressures for benzene and toluene at various temperatures: Temp (C) mmHg Temp (C) mmHg Benzene 30 120 Toluene 30 37 40 180 40 60 50 270 50 95 60 390 60 140 70 550 70 200 80 760 80 290 90 1010 90 405 100 1340

    asked by Aishwarya
  115. Science

    What condition is needed for an experiment to have useful data

    asked by Mark
  116. algebra

    Miranda beat Robinson in a game of tennis, winning 6 games to Robinson's 3. 5 games were won by the team who didn't serve. Who served first

    asked by Sabrina ugh
  117. math

    Describe a method you can use to shorten the list of possible rational zeros when using the rational zero theorem? I know how to do the problems, I just don't know how to shorten that method. Please help me.

    asked by Faith
  118. Science

    Is a cell wall on a plant or animal cell or on both?

    asked by Aaron
  119. Geogoly

    Can someone please help me with my review? 1)What grade of metamorphism common rocks are formed in- --- Is it high grade? 2)What is the name of the most rapid kind of mass wasting is> -- Weathering? 3)How to tell is a rock is igneous, metamorphic or

    asked by Matt
  120. Science

    What condition is needed for an experiment to have useful data?

    asked by Mark
  121. Physics

    A 3.5 × 103 kg car accelerates from rest at the top of a driveway that is sloped at an angle of 16.9◦ with the horizontal. An average frictional force of 4.1×103 N impedes the car’s motion so that the car’s speed at the bottom of the driveway is

    asked by Willow
  122. Geology

    Can someone please help me with my review? 1)What grade of metamorphism common rocks are formed in- --- Is it high grade? 2)What is the name of the most rapid kind of mass wasting is> -- Weathering? 3)How to tell is a rock is igneous, metamorphic or

    asked by Matt
  123. PHYSICS(HELP)

    A satellite with a mass of ms = 7.00 × 103 kg is in a planet's equatorial plane in a circular "synchronous" orbit. This means that an observer at the equator will see the satellite being stationary overhead (see figure below). The planet has mass mp =

    asked by Anonymous
  124. math

    Your friend runs up to you, scared that he is not ready for the upcoming quadratics test. To help him study, you will create four different quadratic functions. Then demonstrate to him how to rewrite each function as a group of factors, if possible. The

    asked by de3100
  125. math

    Computer software:$44 Discount:21% Sales tax:6%

    asked by Taylor
  126. math

    what is the missing number in the following sequence: 37,41,43,____ ,53,59,61

    asked by Anonymous
  127. math

    a great dress is on the discount rack and you would love it for prom. the rack is marked 25%off the lowest price and you have a coupon for an extra 15% off. if the dress is marked $125, how much will you pay for it?

    asked by Taylor
  128. Math

    Alice usually has a 80% shooting percentage in basketball. On Monday she scored 16 baskets in 22 attempts. If she scores her usual percentage on Tuesday by scoring 20 baskets, how many shots did she attempt?

    asked by Anonymous
  129. applied logic, math

    writing a program using loop structure, need the equation to produce all even numbers from 2-100 to print out each time I go through the loop

    asked by mina
  130. math

    How do i do this practice math problem? Julie Molony opened Julie’s Maids Catering Service on July 1, 2010. During July the company completed the following transactions: July 1 Invested $14,000 in common stocks in the business. 1 Purchased a delivery

    asked by JJ
  131. math

    Ms. Kolawaski rides her exercise bike at an average speed of 12 miles per hour. How many minutes does it take her to ride 16 miles?

    asked by zion
  132. quantum physics

    8d. Now suppose we start with the qubit |ø(0)⟩=|0⟩ and we apply a magnetic field in the x^ direction at t=0. This corresponds to the Hamiltonian H=BX, where B is a constant and X is the usual bit flip gate. What are the coordinates (è,ϕ) of this

    asked by quant
  133. physics

    If a 14N force is used to compress a spring with a spring constant of 5.0×102N/m , what is the resulting spring compression?

    asked by Lidia
  134. chemistry

    CaC2 + 2H2O = C2H2 + Ca(OH)2 If 40.0g of calcium carbide (CaC2) reacts with 25.0g of water, how many liters of acetylene (C2H2) can be produced, assuming the reaction goes to completion at 60F and 763 mmHg

    asked by Shahrooz
  135. biology

    Evidence suggests that bacteria supplied with a cup of sugar could run a 60-watt light bulb for 17 hours. What would a scientist need to do to be able to affirm this scientific idea? is it to conduct an experiment to test the hypothesis

    asked by loli
  136. biology

    What is the sequence of the stop codon?

    asked by zo
  137. algebra functions

    can someone please check my answer For each problem, construct two composite functions, . Evaluate each composite function for x=2 f(x)=3x g(x)=1/x f(g)*(x)=3x(1)/x x=2 3x(1)/x=6 g(f)*(x)=(3x)=2*3x=6 x=2 3*(2)=6*6=36

    asked by tani
  138. algebra functions check my answer

    For each problem, construct two composite functions, . Evaluate each composite function for x=2 f(x)=3x g(x)=1/x f(g)*(x)=3x(1)/x x=2 3x(1)/x=6 g(f)*(x)=(3x)=2*3x=6 x=2 3*(2)=6*6=36

    asked by tani
  139. criminal law

    Although it may be offensive based on moral standards, some states do not include exposure what part of the male or female body as a violation of law? A. Female breasts B. Lower private parts C. Buttocks D. None of the above i'm confused between A and B

    asked by Amy
  140. math

    1.45-7.3

    asked by jo
  141. Chemistry

    a) To make an acid solution, 6.8 x 10-3 mole of a strong acid (6.8 x 10-3 mole H3O+) is dissolved in water to give a 550 mL solution. What is the pH and [OH-] of the solution? b) 150 mL of water is added to 50 mL of the solution produced in question 3.

    asked by Anonymous
  142. english

    is a summary a single expository paragraph?

    asked by fiyin
  143. Pre-Algebra

    A rectangle is 1" wide and 3" tall. If it is enlarged to a height of 18" then how wide will it be?

    asked by Chandra Ramsey
  144. Physics

    A students adds two vectors with magnitude of 200 and 40 , what is the resultant ?!

    asked by Maryam
  145. Pigskin geography

    ( october20) which interstate highway would the Cincinnati bengals take to get to motor city?

    asked by Mia
  146. Math - Algebra

    Write an equation for the given: "f varies inversely as m and f is 32 when m is 0.2." Also, find f is m = 4.

    asked by McKenna Louise
  147. Pigskin geography

    Determine which state capitols( Denver, Atlanta, Indianapolis, Nashville, pheonix, or boston) The. Dallas cowboys will fly over or near en route to the' it's of brotherly love' _________ _ _ __________ _ _

    asked by Mia
  148. Chemistry

    Vitamin K is involved in normal blood clotting. When 2.40 g of vitamin K is dissolved in 25.0 g of camphor, the freezing point of the solution is lowered by 8.05 °C. Calculate the molar mass of vitamin K. Kf value is 37.8 and the normal freezing point is

    asked by Shardai
  149. math

    a framed painting weighs 220 newtons. the 2 wires support an angle of 120 degrees with each other. what are the tensions on the wire?

    asked by kg
  150. math

    Jackson has a 2-meter plank of wood. He cuts two pieces of wood that are each 0.55 meter long. Then he cuts another piece that is 0.28 meter long. He uses the remainder of the wood to make a ramp. What length of wood did he use for the ramp?

    asked by kalli
  151. economic

    What are three types of "land", "labor", and "Capital?"

    asked by suzan
  152. English

    “Forward: push forward, onward, do.” How can you apply this to your life?

    asked by unknown
  153. math

    the system of linear equations below has a unique solution for all but one value of a : 5 x - 5 y = 25 48 x + a y = 240 What is this exceptional value for a ?

    asked by Mage
  154. Science

    What is the difference between the layers of the earth by physical properties and chemical composition

    asked by Anabelle
  155. math

    You have a coupon for 25% off a $2 video rental. How much would you pay? can you please solve with steps.

    asked by Taylor
  156. Psy 230

    Compare mechanistic and reciprocal interactionism. Give examples of each. give examplles of each.

    asked by Mary Ann
  157. math

    a bus ticket is $40 plus 5% tax.

    asked by Taylor
  158. Trigonometry

    Use a calculator too find the value of ø if secø3.125

    asked by Tori
  159. books (Death of a Salesman)

    Consider both the positive and negative influence Linda's support may have had on Willy. Explain how each example may be seen as a positive influence and as a negative influence. I only need 3 examples. Please help!

    asked by Shawn
  160. Science

    What condition is needed for an experiment to have useful data?

    asked by Mark
  161. question

    does anyone know in ca the requirements to get a permit for a 15 and half year old

    asked by jim
  162. Calculus

    If f'(x) = 2xln(-4(x^2-2.75))+(2x^3)/(x^2-2.75) find the domain.

    asked by Sckricks
  163. math

    Class ring:$89 Group discount:17% Sales tax:5% make sure to calculate the discount price first and then calculate the tax round to the nearest penny

    asked by Taylor
  164. Physics

    How do you find total displacement to and from a place?

    asked by Katie
  165. Statistics

    What is the mean and standard deviation of 63.7%? What is the mean and standard deviation of 61.4%? Using the 68-95-99.7 rule, describe the sampling distribution of 63.7% Using the 68-95-99.7 rule, describe the sampling distribution of 61.4%? Please help I

    asked by Lisa
  166. Physics

    A bead of mass m slides without friction on a vertical hoop of radius R . The bead moves under the combined action of gravity and a spring, with spring constant k , attached to the bottom of the hoop. Assume that the equilibrium (relaxed) length of the

    asked by Anonymous
  167. math

    Could you please explain how you got the answer instead of just the answer to the question 1.45-7.3. Can you explain the steps to this because I don't quite get it. Thanks so much.

    asked by mary
  168. Math

    If I divided 1.23x10^-10 and 1.4x10^-8, would my answer be0.88x10^-18?

    asked by Nicole
  169. Math

    If I divided 1.23x10^-10 and 1.4x10^-8, would my answer be 0.88x10^-18?

    asked by Nicole
  170. Physics Urgent please help

    A man of mass 70 kg is in free fall in the air. He reaches a terminal speed of about v_term = 54 m/s. (Note that v_term >> v_crit and we are in the pressure dominated regime where F_fric is directly propotional to v^2 ; we have g = 9.8 m/s ) What is the

    asked by saru
  171. CHEMISTRY

    What is the name of 12H2O and 10 H2O?

    asked by Anonymous
  172. physics

    police officer in a patrol car parked in a 70km/h zone observe a passing automobile travelling at a slow. constant speed. believing that of the automobile might be intoxicated the officer starts his car acceleration uniformly to 9km/h in 8s. and

    asked by abdul
  173. physics

    In the rectangle of the figure the sides have lengths 7.25 cm and 18.6 cm, q1 = -5.17 μC, and q2 = +2.07 μC. How much work is required to move a charge q3 = +2.94 μC from B to A?

    asked by ak
  174. Math

    what is the average of the consecutive integers from 1 to 29?

    asked by Anonymous
  175. Math

    If I divided 1.23x10^-10 and 1.4x10^-8, would my answer be 0.88x10^-18?

    asked by Mark
  176. Chemistry

    PLEASE HELP!! 40 mL of 0.1 M solution of a weak acid (adjusted to a pH of 7.75) is titrated with 0.2 M HCl to a final pH of 2.1. Once the pH of the weak acid reaches 2.1, it is then titrated with 20 mL of 0.25 NaOH. What is the final pH of the solution?

    asked by AA
  177. Math

    (-5,2)and M=0

    asked by Kirandeep
  178. Math

    The line represented by the equation 2y-3x=4.find slope and y-intercept

    asked by Kirandeep
  179. biology

    Evidence suggests that bacteria supplied with a cup of sugar could run a 60-watt light bulb for 17 hours. What would a scientist need to do to be able to affirm this scientific idea? is it to conduct an experiment to test the hypothesis

    asked by loli
  180. Pigskin geography

    Watch for news of the,running of the bulls in atlanta on Saturday. Taking a page from 'the sun also rises' by the campuses writer, _________'________ After all these events are over, someone might write a book entittled " the sun also falls"

    asked by Mia
  181. math

    The sum of three numbers is 92. The first number is 1/3 of the second, and the second is 2/5 of the third. What is the second number?

    asked by vic
  182. algebra

    Splve and check N =

    asked by Anonymous
  183. algebra

    Find an equivalent expression without parenthesis -(26x-10y+75)

    asked by Anonymous
  184. question

    how much does a AP class give in bump for gpa

    asked by jim
  185. algebra

    use the distributive property to white an equivalent express -(5x-5)

    asked by Anonymous
  186. chemistry

    150 mL of water is added to 50 mL of the solution produced in question 3. Calculate the new pH of the solution.

    asked by Anonymous
  187. school of engineering

    police officer in a patrol car parked in a70km/h observes a passing auto mobile travelling at a slow constant speed believing that of the automobile might be intoxicated the officer starts his car accelerate uniformly to 9km/h in 8s.and maintaining a

    asked by khabat
  188. math

    A sample of size 100 is chosen from a normally distributed mean,(µ) and standard deviation 60. A researcher has made the statement as follow to conclude that value of µ: " reject H0:µ= 80 and accept H1: µ < 80. if x̅ < 68 " a) if the significant level

    asked by sree
  189. inf103

    Give an explanation of why each makes a mistake in drawing the conclusion it does. Review your classmates’ examples and see if they, in fact, commit the fallacy identified.

    asked by lovelle
  190. math

    input 1 2 3 4 5 6 7 output5 9 13 17

    asked by Anonymous
  191. Math.. PLEASE HELP!! :(

    If I divided 1.23x10^-10 and 1.4x10^-8, would my answer be 0.88x10^-18?

    asked by Mark
  192. math

    Ali and Tim have 12 sheets of paper that are each 9 inches by 12 inches. They want to use all 12 sheets to make a sign for a basketball game. They plan to put a strip of cardboard around the outside edge of the sign. How should they arrange the 12 sheets

    asked by mary
  193. Math

    Solve for x: 4(2-x)>8x+20

    asked by Nancy
  194. Science

    What condition is needed for an experiment to have useful data?

    asked by Mark