1. physics

    A 1.50-kg block slides on a rough, horizontal surface. The block hits a spring with a speed of 2.07 m/s and compresses it a distance of 12.2 cm before coming to rest. If the coefficient of kinetic friction between the block and the surface is μk = 0.577,

    asked by kay on October 24, 2012
  2. Poetry

    Does this poem have imagery in it?? A Bird Came Down A bird came down the walk: He did not know I saw; He bit an angle-worm in halves And ate the fellow, raw. And then he drank a dew From a convenient grass, And then hopped sidewise to the wall To let a

    asked by Tony on November 2, 2008
  3. physical science

    a 4.5 kg ham is thrown into a stationary 15 kg buggy. at what speed will the cart travel if the ham had an initial speed of 2.2 m/s ? if the ham hits the buggy with 2N of force how long did the collision between the two last?

    asked by amy on June 22, 2011
  4. physics

    A 69 kg diver jumps off a 10.4 m tower. (a) Find the diver's velocity when he hits the water. m/s (b) The diver comes to a stop 2.0 m below the surface. Find the net force exerted by the water. N

    asked by Lee Kite on October 3, 2007
  5. Trigonometry

    1.Solve sin ¥è = 0.95 for -90¨¬ ¡ ¥è ¡ 90¨¬. 2.A volleyball player spikes the ball from a height of 2.44 meters. Assume that the path of the ball is a straight line. To the nearest degree, what is the maximum angle, ¥è, at which the ball can be

    asked by BlueBerry77 on November 24, 2015
  6. 6th grade math

    Ther jester was juggling in the medieval fair, and all three where different sizes and colors. The jester wanted to put them in order from least to greatest. The red ball had a diameter of 100 mm the green ball had a radius of 4 cm and the yeallow ball had

    asked by Ann on April 27, 2011
  7. Physics

    To win the game, a place kicker must kick a football from a point 19 m from the goal, and the ball must clear the crossbar, which is 3.05 m high. When kicked, the ball leaves the ground with a speed of 16 m/s at an angle of 59.8 from the horizontal. The

    asked by ferras on November 4, 2012
  8. physics

    A tennis player serves a tennis ball it is moving horizontally when it leaves the racquet. When the ball travels a horizontal distance of 12 meters, it has dropped 55cm from its original height when it left the racquet. What is the initial speed of the

    asked by jack on September 13, 2015
  9. physics

    An object in the vacuum of space orbits the earth at a fixed speed in a circular orbit several hundred miles above the earth. What can we conclude about the reaction force? Is A the correct answer? a) That there is no reaction force-the net force on the

    asked by ronnie on November 23, 2009
  10. physics

    An object in the vacuum of space orbits the earth at a fixed speed in a circular orbit several hundred miles above the earth. What can we conclude about the reaction force? a) That there is no reaction force-the net force on the object is zero, so the

    asked by Maggie on November 22, 2009
  11. physics

    An object in the vacuum of space orbits the earth at a fixed speed in a circular orbit several hundred miles above the earth. What can we conclude about the reaction force? a) That there is no reaction force-the net force on the object is zero, so the

    asked by Maggie on November 22, 2009
  12. algebra

    1. If the net force on an object is 0 N, the forces are considered unbalanced. (1 point) true...... false Multiple Choice 2. Most people in the United States use feet and miles to measure distance in their everyday lives. Why do scientists in the United

    asked by pls check these quick on October 11, 2018
  13. physics

    Two pith balls below each have a mass of 5.0 g and equal charge. One pith ball is suspended by an insulating thread. The other is brought to x = 4.0 cm from the suspended ball. The suspended ball is now hanging with the thread forming an angle of 30.0°

    asked by Adam on February 8, 2010
  14. physics

    Two stones are thrown vertically up at the same time. The first stone is thrown with an initial velocity of 11.5 m/s from a 12th floor balcony of a building and hits hits the ground after 4.6 seconds. With what initial velocity should the second stone be

    asked by Logan on September 10, 2013
  15. Physics

    A copper pipe with an outer radius of 0.011 m runs from an outdoor wall faucet into the interior of a house. The temperature of the faucet is 4.4° C and the temperature of the pipe, at 3.1 m from the faucet, is 24° C. In fourteen minutes, the pipe

    asked by Jordan on April 26, 2012
  16. physics

    A copper pipe with an outer radius of 0.010 m runs from an outdoor wall faucet into the interior of a house. The temperature of the faucet is 3.3°C, and the temperature of the pipe, 3.0 m from the faucet, is 25°C. In fifteen minutes, the pipe conducts a

    asked by Anonymous on November 17, 2014
  17. Earth science

    what is the amount of force required to keep a 10kg ball moving in a constant direction at a constant velocity of 1 m/s ( ignore the effects of fricton

    asked by pam on November 26, 2011
  18. physics

    A ball rolls down a hill mainly because of: a. an unbalanced torque b. an unbalanced force c. its rotational inertia d. angular momentum I think it is d - but I am unsure. Any advice?

    asked by Claire on July 22, 2008
  19. phy

    A major-league catcher gloves a 92 mi/h pitch and brings it to rest in 0.15 m. 1-If the force exerted by the catcher is 803 N, what is the mass of the ball?

    asked by pop on July 17, 2011
  20. physics

    A 2.1 kg ball tied to a string fixed to the ceiling is pulled to one side by a force to an angle of è = 26.6 how large is F? tension of string? before it was released

    asked by rat boy on February 3, 2013
  21. phy

    A major-league catcher gloves a 92 {\rm mi}/{\rm h} pitch and brings it to rest in 0.15 {\rm m}. 1-If the force exerted by the catcher is 803 {\rm N}, what is the mass of the ball?

    asked by ivan on July 16, 2011
  22. Physics

    A ball of mass 0.3kg, moving at a velocity of 20ms-1 is suddenly hit by a force of 5N for a time of 0.03 sec. find its new velocity

    asked by Stephen on April 25, 2019
  23. phy

    A major-league catcher gloves a 92 mi/h pitch and brings it to rest in 0.15 m. 1-If the force exerted by the catcher is 803 N, what is the mass of the ball?

    asked by lily on July 17, 2011
  24. physics

    A 500g ball moving at 72 km/h is stopped by a player in 2 sec calculate a) initial and final momentum b) force applied by the player

    asked by natasha on August 15, 2016
  25. Physics

    Abby is swinging a ball on a string in a circle with a constant tension. Which of the following quantities is constant? a. acceleration b. speed c. none of the others d. velocity e. force

    asked by Brooke on January 20, 2015
  26. Physics

    A ball of mass 0.3kg moving at a velocity 20/s is suddenly hit by a force of 5 Newton for a time of 0.03 seconds. Find its new velocity

    asked by Habeeb on October 26, 2015
  27. Science halp

    10. Which situation is an example of Newton’s third law of motion? * 1 point A.A ball in a vacuum container moves in a straight line at a constant velocity. B.A ball in a vacuum container accelerates when kicked with a great amount of force. C.A person

    asked by Sanic fest speds :D on February 16, 2018
  28. math

    During a football game, two players try to tackle another play. One player applies a force of 50.0 N to the east. A second player applies a force of 120.0 N to the north. What is the total applied force? (Since force is a vector, you must give both the

    asked by jeff on September 5, 2010
  29. English

    Can you please check these sentences please? Thank you. 1) Along the wall in front of the left window there is a book closet (correction: book shelf) 2)What distance do you walk to school every day? OR How far do you walk to school every day? 3) They have

    asked by Franco on November 14, 2010
  30. English

    1. I learned about some Chinese expressions and Chinese cultures. 2. I learned about the length of the Great Wall of China. 3. I leaned Chinese songs. 4. I learned that China has a long history. (Do we have to use 'had'?) 5. I learned that Chinese people

    asked by John on June 9, 2009
  31. Physics - work done

    A variable force F acts through a displacement d. The magnitude of the force is proportional to the displacement, so F=kd, where k is constant. a) Sketch a graph of this force against position up to position x. b) According to the equation, what is the

    asked by Shaila on October 6, 2010
  32. Physics

    Hi, here's a problem that I have difficulty with to solve. Block M2, w/c has a 20 kg mass, is on a frictionless table and it is firmly attached to one end of a spring with k = 2.5 N/m. The other end of the spring is anchored to the wall. Another block, M1

    asked by Chika on November 2, 2011
  33. Physics

    A ruler is initially at rest when a student briefly exerts a downward force on the right end. The magnitude of the force exerted by the student is less than the weight of the ruler. Assume that the pivot point in the center of the ruler is frictionless.

    asked by Lysander on December 2, 2017
  34. Quadratic Relations, Algebra, Math

    URGENT!! PLEASE HELP In a volleyball match. Jenny serves the volleyball at 14m/s, from a height of 2.5m above the court. The height o the ball in flight can be estimated using the equation h=-4.9t^2+14t+2.5, where h is the height, in meters, and t is the

    asked by Rose on December 8, 2016
  35. physics

    A roller-coaster car speeds down a hill past point A where R1 = 8.0 m and then rolls up a hill past point B where R2 = 14.0 m. The car has a speed of 21.0 m/s at point A. if the track exerts a normal force on the car of 2.19 multiplied by 104 N at this

    asked by Anonymous on February 26, 2010
  36. Physics

    A fully loaded, slow-moving freight elevator has a cab with a total mass of 1250 kg, which is required to travel upward 58 m in 3.4 min, starting and ending at rest. The elevator's counterweight has a mass of only 1005 kg, and so the elevator motor must

    asked by Anjli on November 2, 2009
  37. Physics

    fully loaded, slow-moving freight elevator has a cab with a total mass of 1250 kg, which is required to travel upward 58 m in 3.4 min, starting and ending at rest. The elevator's counterweight has a mass of only 1005 kg, and so the elevator motor must

    asked by Corey on November 4, 2009
  38. PHYSICAL SCIENCE

    Imagine two billiard balls on a pool table. Ball A has a mass of 2 kilograms and ball B has a mass of 3 kilograms. The initial velocity of ball A is 9 meters per second to the right, and the initial velocity of the ball B is 6 meters per second to the

    asked by JCAINE on February 20, 2016
  39. math

    a ball is thrown upward at 64 feet per second from the top of an 80 feet high building. The height of the ball can be modeled by S(t) = -16t^2 + 64t + 80(feet), where t is the number of seconds after the ball is thrown. describe the graph model

    asked by nina on October 7, 2012
  40. Calculus

    A ball is thrown from the origin of a coordinate system. The equation of its path is y = mx - e^2m/1000 . x^2, where m is positive and represents the slope of the path of the ball at the origin. For what value of m will the ball strike the horizontal axis

    asked by Candy on January 29, 2009
  41. Physical science

    A ball is thrown up at 8m.s from the roof which is 60m high.it strikes the balcony below after 4s.the ball then bounces off the balcony and strikes the ground.ignore the effects of friction.calculate magnitude of the velocity at which the ball strike the

    asked by lebogang on April 24, 2013
  42. Algebra

    A golf ball is hit with an initial velocity of 140 ft per second at an inclination of 45 degrees to the horizontal. In​ physics, it is established that the height h of the golf ball is given by the function h(x)=-32x^2/140^2+x, How far does the golf ball

    asked by mu on October 7, 2015
  43. Physics

    A v vs t graph is drawn for a ball moving in one direction. The graph starts at the origin and at t=5s the acceleration of the ball is zero. We know that at t=5s, a) the curve is not crossing the time axis b) the velocity of the ball is not changing c) the

    asked by Ron on October 13, 2008
  44. Physics

    A ball is tied to an elastic string of length 8.0 m and swung in a horizontal circle with a velocity of 0.8 m/s. When a metallic object is tied to a rope of length 2.75 m and swung in a horizontal circle, it makes one revolution in 2.9 s. The ratio of the

    asked by Willie on September 21, 2009
  45. Physics

    A 20.0-kg crate sits at rest at the bottom of a 13.5 m -long ramp that is inclined at 40 ∘ above the horizontal. A constant horizontal force of 290 N is applied to the crate to push it up the ramp. While the crate is moving, the ramp exerts a constant

    asked by Kallian on October 23, 2017
  46. Physics

    A 0.48 kg soccer ball approaches a player horizontally with a velocity of 18 m/s to the north. The player strikes the ball and causes it to move in the opposite direction with a velocity of 24 m/s. What impulse was delivered to the ball by the player?

    asked by Michael N. on January 24, 2011
  47. MORE PHYSICS!!

    A 0.34 kg soccer ball approaches a player horizontally with a velocity of 19 m/s to the north. The player strikes the ball and causes it to move in the opposite direction with a velocity of 22 m/s. What impulse was delivered to the ball by the player?

    asked by MIKE HUNT on October 29, 2008
  48. Physics

    A(n) 0.34 kg soccer ball approaches a player horizontally with a speed of 6.18 m/s. The player illegally strikes the ball with her hand and causes it to move in the opposite direction with a speed of 31.3 m/s . What is the magnitude of the impulse de-

    asked by Kiera on March 3, 2017
  49. calculus

    A student throws a rubber ball upward from a height of 12 feet,initially at 8 feet per second. a.Write the position function that models the height of the ball t seconds after it was thrown. b.What is the maximum height of the ball?

    asked by me on March 2, 2019
  50. Physics

    Can you help me through this one? I don't want just the answer: A ball is thrown straight up and rises to a maximum height of 24 m above the ground. At what height is the speed of the ball equal to half of its initial value? Assume that the ball starts at

    asked by Logan on September 15, 2011
  51. science

    A golfer takes two putts to sink his ball in the once he is on the green. The first putt displaces the ball 6.00 m east, and the second putt displaces it 5.40 m south. What displacement would put the ball in the hole in one putt? and how do I show this

    asked by Kat on January 9, 2013
  52. physics

    A 0.36 kg soccer ball approaches a player horizontally with a velocity of 18 m/s to the north. The player strikes the ball and causes it to move in the opposite direction with a velocity of 21 m/s. What impulse was delivered to the ball by the player?

    asked by lindsey on January 26, 2012
  53. algebra

    A ball is thrown into the air with an upward velocity of 28 ft/s. Its height (h) in feet after t seconds is given by the function h = –16t² + 28t + 7. How long does it take the ball to reach its maximum height? What is the ball’s maximum height? How

    asked by Jin on March 26, 2012
  54. physics

    The man fires an 75g arrow so that it is moving at 80 m/s when it hits and embeds in a 13kg block resting on ice. What is the velocity of the block and arrow just after the collision? How far will the block slide on the ice before stopping? A 7.2N friction

    asked by Katie on April 4, 2015
  55. phy

    A block of mass m = 3.45 kg slides along a horizontal table with speed v0 = 2.00 m/s. At x = 0 it hits a spring with spring constant k = 80.00 N/m and it also begins to experience a friction force. The coefficient of friction is given by ¦Ì = 0.250. How

    asked by xianhua on April 7, 2016
  56. physics

    A block of mass m = 4.20 kg slides along a horizontal table with speed v0 = 9.50 m/s. At x = 0 it hits a spring with spring constant k = 62.00 N/m and it also begins to experience a friction force. The coefficient of friction is given by μ = 0.150. How

    asked by Anonymous on October 15, 2014
  57. division differences

    use table to compare appearance of the dividing plant cells with the appearance of the dividing animal cells. dividing of plant cells= -divide the cytoplasm between the 2 new nuclei by forming cell wall between nuclei. i need dividing animal cell help.

    asked by Anonymous on June 17, 2010
  58. physics

    A picture hangs on the wall suspended by two strings, with è = 61°. The tension in string 1 is 1.8 N. è is connected to string 1, and 32° is connected to string 2. (a) Is the tension in string 1 greater than, less than, or equal to the tension in

    asked by jack on September 30, 2010
  59. Physics

    In the approximation that the Earth is a sphere of uniform density, it can be shown that the gravitational force it exerts on a mass m inside the Earth at a distance r from the center is mg(r/R), where R is the radius of the Earth. (Note that at the the

    asked by Amelie on March 9, 2011
  60. College Physics

    n the approximation that the Earth is a sphere of uniform density, it can be shown that the gravitational force it exerts on a mass m inside the Earth at a distance r from the center is mg(r/R), where R is the radius of the Earth. (Note that at the the

    asked by Amelie on March 8, 2011
  61. Physics

    A pitcher throws a 0.107-kg baseball, and it approaches the bat at a speed of 31.7 m/s. The bat does 77.9 J of work on the ball in hitting it. Ignoring air resistance, determine the speed of the ball after the ball leaves the bat and is 22.7 m above the

    asked by StressedStudent on October 9, 2012
  62. Algebra

    A ball is thrown into the air with an upward velocity of 28 ft/s. Its height (h) in feet after t seconds is given by the function h = –16t² + 28t + 7. How long does it take the ball to reach its maximum height? What is the ball’s maximum height? Round

    asked by Cassie on March 11, 2013
  63. science

    A(n) 0.463 kg soccer ball approaches a player horizontally with a speed of 24.4 m/s. The player illegally strikes the ball with her hand and causes it to move in the opposite direction with a speed of 16.2 m/s. What is the magnitude of the impulse

    asked by Ian on January 16, 2017
  64. Algebra

    A bottle rocket launches into the air. The equation h=-16t^2+64t+9 gives the height of the ball, h in feet, as a function of t, number of seconds after launch. What is the maximum height the ball reaches? How many seconds does it take the ball to reach

    asked by John on April 8, 2016
  65. physics

    A pitcher throws a 0.198-kg baseball, and it approaches the bat at a speed of 57.5 m/s. The bat does 85.1 J of work on the ball in hitting it. Ignoring air resistance, determine the speed of the ball after the ball leaves the bat and is 32.7 m above the

    asked by Anonymous on March 19, 2014
  66. physics

    A pitcher throws a 0.168-kg baseball, and it approaches the bat at a speed of 45.2 m/s. The bat does 86.6 J of work on the ball in hitting it. Ignoring air resistance, determine the speed of the ball after the ball leaves the bat and is 22.5 m above the

    asked by Anonymous on April 16, 2013
  67. Physics Help!!!

    A pitcher throws a 0.111-kg baseball, and it approaches the bat at a speed of 37.4 m/s. The bat does 78.6 J of work on the ball in hitting it. Ignoring air resistance, determine the speed of the ball after the ball leaves the bat and is 30.8 m above the

    asked by Isaac on February 26, 2012
  68. Physics

    A pitcher throws a 0.192-kg baseball, and it approaches the bat at a speed of 43.2 m/s. The bat does 69.8 J of work on the ball in hitting it. Ignoring air resistance, determine the speed of the ball after the ball leaves the bat and is 32.6 m above the

    asked by Elle on April 4, 2014
  69. Physics 12

    A flag of mass 2.5 kg is supported by a single rope as show in figure 13. a strong horizontal wind exerts a force of 12 N on the flag. Calculate the tension in the rope and the angel, the rope makes with the horizontal. here is the figure:

    asked by Lola on October 1, 2013
  70. British Literature

    Which aspect of an epic is present in the following passage from Beowulf? "Then he saw, hanging on the wall, a heavy Sword, hammered by giants, strong and blessed with their magic, the best of all weapons but so massive that no ordinary man could lift its

    asked by Scooby10 on February 11, 2012
  71. Physics

    A small washer is taped to a golf ball and the ball is hung from an electromagnet. When a trigger is activated the electromagnet will shut off and the golf ball will fall through a height of 75 cm to land on a time of flight pad. Determine the amount of

    asked by Tim on February 3, 2014
  72. physical science

    A 100 kg ball of lead rests next to a 10 kg rock. Which statement below is true? a. the lead ball and the rock have equal amounts of inertia b. if the lead ball and the rock fell from the same height in a vacuum, the rock would hit the ground first because

    asked by Trang on October 25, 2010
  73. Physics

    Two students are on a balcony 24.9 m above the street. One student throws a ball, b1, vertically downward at 19.6 m/s. At the same instant, the other student throws a ball, b2, vertically upward at the same speed. The second ball just misses the balcony on

    asked by Chris on September 29, 2011
  74. physics

    Two students are on a balcony 21.4 m above the street. One student throws a ball, b1, vertically downward at 13.2 m/s. At the same instant, the other student throws a ball, b2, vertically upward at the same speed. The second ball just misses the balcony on

    asked by Shaina on September 4, 2012
  75. Physics

    Two students are on a balcony 24.3 m above the street. One student throws a ball, b1, vertically downward at 15.8 m/s. At the same instant, the other student throws a ball, b2, vertically upward at the same speed. The second ball just misses the balcony on

    asked by Mel on October 9, 2012
  76. physics

    A 2.20-kg ball, moving to the right at a velocity of +1.27 m/s on a frictionless table, collides head-on with a stationary 7.20-kg ball. Find the final velocities of (a) the 2.20-kg ball and of (b) the 7.20-kg ball if the collision is elastic. (c) Find the

    asked by S on October 12, 2014
  77. physics

    Two students are on a balcony 24.4 m above the street. One student throws a ball, b1, vertically downward at 20.3 m/s. At the same instant, the other student throws a ball, b2, vertically upward at the same speed. The second ball just misses the balcony on

    asked by morgan on September 11, 2012
  78. physics

    Two students are on a balcony 24.4 m above the street. One student throws a ball, b1, vertically downward at 20.3 m/s. At the same instant, the other student throws a ball, b2, vertically upward at the same speed. The second ball just misses the balcony on

    asked by morgan on September 11, 2012
  79. Physics

    Two students are on a balcony 22.3 m above the street. One student throws a ball, b1, vertically downward at 19.2 m/s. At the same instant, the other student throws a ball, b2, vertically upward at the same speed. The second ball just misses the balcony on

    asked by . on October 10, 2012
  80. Science

    The graph below shows a crow flying along at a constant speed, carrying a ball. Suddenly, the crow drops the ball. The diagram shows the position of the crow and the ball at five points in time. According to the trend shown by the graph below, at what

    asked by Mini Kid on March 13, 2019
  81. Science

    The graph below shows a crow flying along at a constant speed, carrying a ball. Suddenly, the crow drops the ball. The diagram shows the position of the crow and the ball at five points in time. According to the trend shown by the graph below, at what

    asked by Mini Kid on March 13, 2019
  82. math

    A ball is launched from a slingshot. Its height, h(x), can be represented by a quadratic function in terms of time, x, in seconds. After 1 second, the ball is 148 feet in the air, after 2 seconds the ball is 272 feet in the air. Find the height in feet of

    asked by jo on February 16, 2016
  83. algebra

    A ball is launched from a slingshot. Its height, h(x), can be represented by a quadratic function in terms of time, x, in seconds. After 1 second, the ball is 148 feet in the air, after 2 seconds the ball is 272 feet in the air. Find the height in feet of

    asked by Anonymous on July 14, 2016
  84. physics

    A ball is thrown horizontally from a window 27 m above the ground. The ball strikes the ground at a point 80 m from the base of the building. The acceleration due to gravity is 9.8 m/s2. What is the resultant velocity of the ball just before it strikes the

    asked by haya on February 5, 2017
  85. physics

    A ball rolls up a ramp and then back down again. The ramp is oriented so that the ball is rolling to the right as it rolls up the ramp. Assume that positive v and a vectors point to the right. Which statement is true about the ball's horizontal

    asked by Vicki on January 19, 2012
  86. Algebra 2

    A ball is dropped from a height of 25 feet and allowed to continue to bounce until it eventually comes to a rest. Each time the ball bounces it rebounds to 45 of its previous height. After which bounce is the ball's rebound height 10.24 ft?

    asked by bre on September 26, 2016
  87. Physics

    A steel ball rolls off a flat table of height 1.05 m with a velocity of 1.90 m/s a) How long will it take the ball after leaving contact with the table to hit the ground? b) How far from the edge of the table will the ball hit the floor?

    asked by David on October 15, 2015
  88. Physics-momentum/impluse

    hi well i have two questions i don't understand how to solve and all. 1) The front of a 1400-kg car is designed to absorb the shock of a collision by having a "crumple zone" in which the front of 1.2m of the car collapses in absorbing the shock of a

    asked by becky on December 6, 2006
  89. Physics

    A pitcher throws a 0.140-kg baseball, and it approaches the bat at a speed of 35.0 m/s. The bat does Wnc = 65.0 J of work on the ball in hitting it. Ignoring air resistance, determine the speed of the ball after the ball leaves the bat and is 25.0 m above

    asked by Xavier on October 24, 2010
  90. physics

    A(n) 0.364 kg soccer ball approaches a player horizontally with a speed of 19.7 m/s. The player illegally strikes the ball with her hand and causes it to move in the opposite direction with a speed of 22.4 m/s. What is the magnitude of the impulse

    asked by kim on January 23, 2015
  91. Physics

    A football quarterback shows off his skill by throwing a pass 45.90 m downfield and into a bucket. The quarterback consistently launches the ball at 40.00 ∘ above horizontal, and the bucket is placed at the same level from which the ball is thrown. What

    asked by Lily on October 22, 2016
  92. Physics

    A pitcher throws a 0.140-kg baseball, and it approaches the bat at a speed of 50.0 m/s. The bat does Wnc = 65.0 J of work on the ball in hitting it. Ignoring air resistance, determine the speed of the ball after the ball leaves the bat and is 25.0 m above

    asked by Ben on October 15, 2012
  93. physics

    A(n) 0.251 kg soccer ball approaches a player horizontally with a speed of 15.8 m/s. The player illegally strikes the ball with her hand and causes it to move in the opposite direction with a speed of 27.3 m/s. What is the magnitude of the impulse

    asked by Madi on February 16, 2016
  94. Physics

    A pitcher throws a 0.140-kg baseball, and it approaches the bat at a speed of 45.0 m/s. The bat does Wnc = 65.0 J of work on the ball in hitting it. Ignoring air resistance, determine the speed of the ball after the ball leaves the bat and is 25.0 m above

    asked by Natasha on March 14, 2012
  95. Physics

    To win the game, a place kicker must kick a football from a point 40 m (43.744 yd) from the goal, and the ball must clear the crossbar, which is 3.05 m high. When kicked, the ball leaves the ground with a speed of 23 m/s at an angle of 30.9 ◦ from the

    asked by Sarah on October 19, 2013
  96. phsyics

    A place kicker must kick a football from a point 35 m (about 38 yd) from the goal, and the ball must clear the crossbar, which is 3.05 m high. When kicked, the ball leaves the ground with a speed of 24 m/s at an angle of 48 ◦ to the horizontal. By how

    asked by asdfghjk on September 20, 2012
  97. physic

    Somehow two students managed to open two windows at the library. Student A is 17 m above the ground and Student B is 23.5 m above the ground. At the same time that Student A drops a ball, Student B throws a ball straight down at an initial speed of 7.36

    asked by Angel on September 11, 2016
  98. algebra

    A ball is thrown straight up from a rooftop 9696 feet high. The formula below describes the​ ball's height above the​ ground, h, in​ feet, t seconds after it was thrown. The ball misses the rooftop on its way down. The graph of the formula is shown.

    asked by lisa on March 21, 2016
  99. ela

    can you proof read for me He went back to room and he saw his father didn't woke up. He wrote this stuff and went to sleep again. Eddie gave them a Chinese banquet at the hotel to them in China. They ate Chinese food. After eating Alex went to room and

    asked by anu on January 11, 2010
  100. @damon

    I am still getting the wrong answrs, can you please do me a favor and for each part list the formulas and steps i need to do in order to get the answer. thank you At serve, a tennis player aims to hit the ball horizontally. part a)What minimum speed is

    asked by Clarissa on April 22, 2012