1. physics

    A water skier, moving at a speed of 6.42 m/s, is being pulled by a tow rope that makes an angle of 39.7 ° with respect to the velocity of the boat (see the drawing). The tow rope is parallel to the water. The skier is moving in the same direction as the boat. If the tension ...
  2. Physics

    A water skier, moving at a speed of 8.36 m/s, is being pulled by a tow rope that makes an angle of 33.4 ° with respect to the velocity of the boat (see the drawing). The tow rope is parallel to the water. The skier is moving in the same direction as the boat. If the tension ...
  3. AP physics

    A water skier, moving at a speed of 8.61 m/s, is being pulled by a tow rope that makes an angle of 34.9 ° with respect to the velocity of the boat. The tow rope is parallel to the water. The skier is moving in the same direction as the boat. If the tension in the tow rope is ...
  4. physics

    The water skier in the figure is at an angle of 35degree with respect to the center line of the boat, and is being pulled at a constant speed of 15m/s . 1)If the tension in the tow rope is 90.0 , how much work does the rope do on the skier in 30.0 ? 2)How much work does the ...
  5. college physics helpasap

    The water skier in the figure is at an angle of 35degree with respect to the center line of the boat, and is being pulled at a constant speed of 15m/s . 1)If the tension in the tow rope is 90.0N, how much work does the rope do on the skier in 30.0s ? 2)How much work does the ...
  6. physics

    A skier is pulled by a tow rope up a frictionless ski slope that makes an angle of 12 degrees with the horizontal. The rope moves parallel to the slope with a constant speed of 1.0 m/s. The force of the rope does 880 J of work on the skier as the skier moves a distance of 7.0 ...
  7. Physics

    A water-skier is being pulled by a tow rope attached to a boat. As the driver pushes the throttle forward, the skier accelerates. A 73.0-kg water-skier has an initial speed of 7.1 m/s. Later, the speed increases to 10.9 m/s. Determine the work done by the net external force ...
  8. physics

    A water-skier is being pulled by a tow rope attached to a boat. As the driver pushes the throttle forward, the skier accelerates. A 65.6-kg water-skier has an initial speed of 5.2 m/s. Later, the speed increases to 11.9 m/s. Determine the work done by the net external force ...
  9. physics

    A water-skier is being pulled by a tow rope attached to a boat. As the driver pushes the throttle forward, the skier accelerates. A 71.6-kg water-skier has an initial speed of 5.8 m/s. Later, the speed increases to 11.8 m/s. Determine the work done by the net external force ...
  10. physics

    A water-skier is being pulled by a tow rope attached to a boat. As the driver pushes the throttle forward, the skier accelerates. A 83.0-kg water-skier has an initial speed of 5.9 m/s. Later, the speed increases to 11.4 m/s. Determine the work done by the net external force ...
  11. Physics

    A water-skier is being pulled by a tow rope attached to a boat. As the driver pushes the throttle forward, the skier accelerates. A 63.6-kg water-skier has an initial speed of 5.3 m/s. Later, the speed increases to 10.8 m/s. Determine the work done by the net external force ...
  12. college physics

    a water skier is being pulled by a tow rope attached to a boat. as the driver pushes the throttle forward,the skier accelerates. a 70.3kg water skier has an initial speed of 6.10m\s. determine the work done by the net external force acting on the skier.
  13. Physics(Please respond)

    A water-skier is being pulled by a tow rope attached to a boat. As the driver pushes the throttle forward, the skier accelerates. A 83.9-kg water-skier has an initial speed of 6.3 m/s. Later, the speed increases to 10.1 m/s. Determine the work done by the net external force ...
  14. physics

    A skier is pulled up a slope at a constant velocity by a tow bar. The slope is inclined at 25.9° with respect to the horizontal. The force applied to the skier by the tow bar is parallel to the slope. The skier's mass is 55.3 kg, and the coefficient of kinetic friction ...
  15. Physics

    A skier is pulled up a slope at a constant velocity by a tow bar. The slope is inclined at 24.0° with respect to the horizontal. The force applied to the skier by the tow bar is parallel to the slope. The skier's mass is 60.0 kg, and the coefficient of kinetic friction ...
  16. Physics

    A skier is pulled up a slope at a constant velocity by a tow bar. The slope is inclined at 23.0° with respect to the horizontal. The force applied to the skier by the tow bar is parallel to the slope. The skier's mass is 55.3 kg, and the coefficient of kinetic friction ...
  17. physics

    A skier is pulled up a slope at a constant velocity by a tow bar. The slope is inclined at 22.2° with respect to the horizontal. The force applied to the skier by the tow bar is parallel to the slope. The skier's mass is 56.0 kg, and the coefficient of kinetic friction ...
  18. physics

    A skier is pulled up a slope at a constant velocity by a tow bar. The slope is inclined at 25.9° with respect to the horizontal. The force applied to the skier by the tow bar is parallel to the slope. The skier's mass is 55.3 kg, and the coefficient of kinetic friction ...
  19. physics

    A skier is pulled up a slope at a constant velocity by a tow bar. The slope is inclined at 25.9° with respect to the horizontal. The force applied to the skier by the tow bar is parallel to the slope. The skier's mass is 55.3 kg, and the coefficient of kinetic friction ...
  20. College Physics

    A skier is pulled up a slope at a constant velocity by a tow bar. The slope is inclined at 28.2 ° with respect to the horizontal. The force applied to the skier by the tow bar is parallel to the slope. The skier's mass is 46.7 kg, and the coefficient of kinetic friction ...
  21. science

    A 50 kg skier is pulled up a frictionless ski slope that makes an angle of 8 degrees with the horizontal by holding onto a tow rope that moves parallel to the slope. Determine the magnitude of the force of the rope on the skier at an instant when a) the rope is moving with a ...
  22. Physics

    A boat with a horizontal tow rope pulls a water skier. She skies off to the side, so the rope makes an angle of 15.0° with her direction of motion, but in the same direction as the boat is traveling. The tension in the rope is 160 N. How much work is done on the skier by the ...
  23. Physics

    A skier is pulled up a slope at a constant velocity by a tow bar. The slope is inclined at 27.2 ° with respect to the horizontal. The force applied to the skier by the tow bar is parallel to the slope. The skier's mass is 53.7 kg, and the coefficient of kinetic friction ...
  24. Physics

    A 68-kg water skier is being pulled by a nylon (Young's modulus 3.7 x 109 N/m2) tow rope that is attached to a boat. The unstretched length of the rope is 15 m and its cross-section area is 1.8 x 10-5 m2. As the skier moves, a resistive force (due to the water) of magnitude ...
  25. Physics

    A 66-kg water skier is being pulled by a nylon (Young's modulus 3.7 x 109 N/m2) tow rope that is attached to a boat. The unstretched length of the rope is 20 m and its cross-section area is 2.8 x 10-5 m2. As the skier moves, a resistive force (due to the water) of magnitude ...
  26. DrBob222 physics

    A skier is pulled up a slope at a constant velocity by a tow bar. The slope is inclined at 27.2 ° with respect to the horizontal. The force applied to the skier by the tow bar is parallel to the slope. The skier's mass is 53.7 kg, and the coefficient of kinetic friction ...
  27. physics

    A water-skier is being pulled at a steady speed in a straight line. her mass plus the mass of the ski is 65 kg. the pull of the tow rope on her is 520 N. a...i) What is the vertical component Y of the push of the water on the ski?? ....ii) What is the horizontal component X of...
  28. physics

    The water skier there has a mass of 71.0 kg. Find the magnitude of the net force acting on the skier when (a) she is accelerated from rest to a speed of 14.0 m/s in 9.00 s and (b) she lets go of the tow rope and glides to a halt in 16.0 s.
  29. college physics

    A water-skier is being pulled at a steady speed in a straight line. her mass plus the mass of the ski is 65 kg. the pull of the tow rope on her is 520 N. a...i) What is the vertical component Y of the push of the water on the ski?? ....ii) What is the horizontal component X of...
  30. Physics

    A 80 kg skier grips a moving rope that is powered by an engine and is pulled at constant speed to the top of a 25 degree hill. The skier is pulled a distance x = 230m along the incline and it takes 2.3 min to reach the top of the hill. If the coefficient of kinetic friction ...
  31. physics

    You see some management students getting drunk at 1 PM in the quad. (Yes, this is an early wake up call for them.) You decide to tie a 2.00 daN water balloon on the end of a 1.00 m long light rope and start swinging it horizontally. The rope from your hand to the water balloon...
  32. physics

    Physics force of friction question a 63kg water skier is pulled across a lake by a rope that exerts a force of 3.2x10^2 and makes an angle 17 degrees above the horizontal. if the coefficient between the skies and the lake is 0.27 at what rate will the skier accelerate?
  33. AP PHYSICS

    A water skier lets go of the tow rope upon leaving the end of a jump ramp at a speed of 14.9 m/s. As the drawing indicates, the skier has a speed of 10.9 m/s at the highest point of the jump. Ignoring air resistance, determine the skier's height H above the top of the ramp at ...
  34. Physics

    A water skier lets go of the tow rope upon leaving the end of a jump ramp at a speed of 17.9 m/s. As the drawing indicates, the skier has a speed of 11.1 m/s at the highest point of the jump. Ignoring air resistance, determine the skier's height H above the top of the ramp at ...
  35. physics

    A water-skier lets go of the tow rope upon leaving the end of a jump ramp at a speed of v1 = 14.7 m/s. the skier has a speed of v2 = 12.7 m/s at the highest point of the jump. Ignoring air resistance, determine the skier's height H above the top of the ramp at the highest point.
  36. Physics

    Hello! I am having trouble figuring out the answer for this question: A 60 kg water skier is being pulled behind a boat. If the propulsive force applied by the 500 kg boat is 2.50 * 10^3 N, determine the acceleration of the skier and tension force in the tow rope? Work: Fnet= ...
  37. physic

    A water skier has a mass of 73 kg. Find the magnitude of the net force acting on the skier when she lets go of the tow rope and glides to a halt in 20 s.
  38. physics

    I have a couple physics questions I need help with please! If you could show me step-by-step directions, I'd really appreciate it! A boat with a horizontal tow rope pulls a water skier. She skis off to the side, so the rope makes an angle of 15.0 degrees with the forward ...
  39. Physics

    A small plane tows a glider at constant speed and altitude. If the plane does 2.00X10^5 J of work to tow the glider 165 m and the tension in the tow rope is 2660 N, what is the angle between the tow rope and the horizontal?
  40. Physics

    A skier wants to build a rope tow to pull herself up a ski hill that is inclined at 15 with the horizontal. Calculate the tension needed in the rope to give the skier's 54kg body a 1.2 m/s^2 acceleration.
  41. Physics Help!

    A skier wants to build a rope tow to pull herself up a ski hill that is inclined at 15 with the horizontal. Calculate the tension needed in the rope to give the skier's 54kg body a 1.2 m/s^2 acceleration.
  42. College physics

    The motor of a ski boat generates an average power of 7.30 104 W when the boat is moving at a constant speed of 10 m/s. When the boat is pulling a skier at the same speed, the engine must generate an average power of 8.40 104 W. What is the tension in the tow rope that is ...
  43. Physics

    The motor of a ski boat generates an average power of 7.30 104 W when the boat is moving at a constant speed of 10 m/s. When the boat is pulling a skier at the same speed, the engine must generate an average power of 8.40 104 W. What is the tension in the tow rope that is ...
  44. physics

    The motor of a ski boat generates an average power of 5.83 × 104 W when the boat is moving at a constant speed of 17.4 m/s. When the boat is pulling a skier at the same speed, the engine must generate an average power of 8.45 × 104 W. What is the tension in the tow rope that...
  45. physics

    Water skiers often ride to one side of the center line of a boat, as shown in the figure . In this case, the ski boat is traveling at 15 {\rm m}/{\rm s} and the tension in the rope is 76 N. If the boat does 3600 J of work on the skier in 53.6 m, what is the angle \theta ...
  46. physics

    water skiers often ride to one side of the center line of a boat, as shown 7-14. In this case, the ski boat is traveling at 15m/s and the tension in the rope is 80 n. If the boat does 3400 J of work on the skier in 50.3 m, what is the angle (theta) between the tow rope and the...
  47. Physics

    Water skiers often ride to one side of the center line of a boat, as shown in the figure. In this case, the ski boat is traveling at 15 m/s and the tension in the rope is 90 N. If the boat does 3500 J of work on the skier in 42.4 m, what is the angle θ between the tow ...
  48. Ap Physics

    Water skiers often ride to one side of the center line of a boat, as shown in the figure . In this case, the ski boat is traveling at 15 (m/s} and the tension in the rope is 80 N. If the boat does 3600 J of work on the skier in 51.3 m, what is the angle \theta between the tow ...
  49. Physics

    the ski boat is traveling at 15 m/s and the tension in the rope is 80 N. If the boat does 3500 J of work on the skier in 54.6 m, what is the angle between the tow rope and the center line of the boat?
  50. mechanics

    an object weighing 303N and suspended by rope A is pulled aside by the horizontal rope B makes an angle of 35degree with the vertical. find the tension in rope A and rope B
  51. Physics

    A ball is on the end of a rope that is 1.75 m in length. The ball and rope are attached to a pole and the entire apparatus, including the pole, rotates about the pole's symmetry axis. The rope makes an angle of 78.0° with respect to the vertical. What is the tangential speed ...
  52. Math (Calculus) (Related Rates)

    A boat pulls away from a dock at 2 m/s, but the operator has neglected to remove the tow rope used to pull the boat up to the dock. This rope runs thru a pulley which is attached to the dock at a point 1 m higher than the point at which the rope is attached to the boat. A) How...
  53. physics

    A 64.2-kg skier coasts up a snow-covered hill that makes an angle of 23.8° with the horizontal. The initial speed of the skier is 7.18 m/s. After coasting 1.96 m up the slope, the skier has a speed of 3.13 m/s. Calculate the work done by the kinetic frictional force that acts...
  54. Physics

    an object weighing 200 lbs. and suspended by a rope A is pulled asisde by the horizontal rope B and held so that rope A makes an angle of 30 degree with the vertical. find the tensions in rope A and B.
  55. Physics

    Hey everyone I really need help with this question. A 10kg object is attached to a 1.5m long rope suspended from the ceiling. The object is pulled until the rope makes a 35 degree angle with the vertical. Disregarding air resistance, what would the speed of the rope at the ...
  56. Physics 1

    A 64.9 kg skier coasts up a snow-covered hill that makes an angle of 25.4° with the horizontal. The initial speed of the skier is 8.67 m/s. After coasting a distance of 1.92 m up the slope, the speed of the skier is 4.33 m/s. Calculate the work done by the kinetic frictional ...
  57. Physics

    A 61.8 kg skier coasts up a snow-covered hill that makes an angle of 26.0° with the horizontal. The initial speed of the skier is 6.10 m/s. After coasting a distance of 1.86 m up the slope, the speed of the skier is 4.48 m/s. Calculate the work done by the kinetic frictional ...
  58. physics

    A 64.9 kg skier coasts up a snow-covered hill that makes an angle of 25.4° with the horizontal. The initial speed of the skier is 8.67 m/s. After coasting a distance of 1.92 m up the slope, the speed of the skier is 4.33 m/s. Calculate the work done by the kinetic frictional ...
  59. physics

    A 64.9 kg skier coasts up a snow-covered hill that makes an angle of 25.4° with the horizontal. The initial speed of the skier is 8.67 m/s. After coasting a distance of 1.92 m up the slope, the speed of the skier is 4.33 m/s. Calculate the work done by the kinetic frictional ...
  60. physics

    A 65.0-kg skier coasts up a snow-covered hill that makes an angle of 27.4° with the horizontal. The initial speed of the skier is 6.37 m/s. After coasting 2.07 m up the slope, the skier has a speed of 4.06 m/s. Calculate the work done by the kinetic frictional force that acts...
  61. physics

    A wooden box, with a mass of 22 kg, is pulled at a constant speed with a rope that makes an angle of 25° with the wooden floor. What is the tension in the rope?
  62. physics

    A diver springs upward from a board that is 2.98 meters above the water. At the instant she contacts the water her speed is 9.39 m/s and her body makes an angle of 70.4° with respect to the horizontal surface of the water. Determine her initial velocity.
  63. Physics ASAP PLease

    A railroad gun of mass M = 2.0 kg fires a shell of mass m =1.0 kg at an angle of theta= 35.0 with respect to the horizontal as measured relative to the gun. After the firing is complete, the final speed of the projectile relative to the gun (muzzle velocity) is v_0 =100.0 m/s...
  64. physics

    A railroad gun of mass M = 2.0 kg fires a shell of mass m =1.0 kg at an angle of theta= 35.0 with respect to the horizontal as measured relative to the gun. After the firing is complete, the final speed of the projectile relative to the gun (muzzle velocity) is v_0 =100.0 m/s...
  65. Physics

    A 1200 lb sleigh is pulled along a horizontal surface at uniform speed by means of a rope that makes an angle of 30 degrees above the horizontal. If the tension in the rope is 100 lb., what is the coefficient of friction?
  66. math

    A man pulls a rope over a simple pulley attached to the bow of a rowboat. The man’s hands are 8 feet above the water and the bow of the boat is 1 foot above the water. How fast must the man pull the rope to tow the boat in at 3 feet per second when it is 25 feet from the ...
  67. Physics

    A railroad gun of mass M = 3.0 kg fires a shell of mass m=1.0 kg at an angle of θ= 45.0 ∘ with respect to the horizontal as measured relative to the gun. After the firing is complete, the final speed of the projectile relative to the gun (muzzle velocity) is v0=120....
  68. Physics

    A railroad gun of mass M = 3.0 kg fires a shell of mass m=1.0 kg at an angle of θ= 45.0 ∘ with respect to the horizontal as measured relative to the gun. After the firing is complete, the final speed of the projectile relative to the gun (muzzle velocity) is v0=120....
  69. physics

    A diver springs upward from a board that is 4.40 m above the water. At the instant she contacts the water her speed is 14.0 m/s and her body makes an angle of 68.8 ° with respect to the horizontal surface of the water. Determine her initial velocity, both (a) magnitude and (b...
  70. Physics

    A diver springs upward from a board that is 4.10 m above the water. At the instant she contacts the water her speed is 11.9 m/s and her body makes an angle of 79.7 ° with respect to the horizontal surface of the water. Determine her initial velocity, both (a) magnitude and (b...
  71. Physics

    A diver springs upward from a board that is 3.20 m above the water. At the instant she contacts the water her speed is 11.4 m/s and her body makes an angle of 68.7 ° with respect to the horizontal surface of the water. Determine her initial velocity, both (a) magnitude and (b...
  72. Physics 201

    A diver springs upward from a board that is 2.90 meters above the water. At the instant she contacts the water her speed is 9.11 m/s and her body makes an angle of 78.2° with respect to the horizontal surface of the water. Determine her initial velocity.
  73. physics

    A diver springs upward from a board that is 3.90 m above the water. At the instant she contacts the water her speed is 14.9 m/s and her body makes an angle of 60.3 ° with respect to the horizontal surface of the water. Determine her initial velocity, both (a) magnitude and (b...
  74. Physics

    A diver springs upward from a board that is three meters above the water. At the instant she contacts the water her speed is 8.70 m/s and her body makes an angle of 74.0° with respect to the horizontal surface of the water. What is her initial velocity, both magnitude and ...
  75. Physics

    A diver springs upward from a board that is 4.40 m above the water. At the instant she contacts the water her speed is 14.0 m/s and her body makes an angle of 68.8 ° with respect to the horizontal surface of the water. Determine her initial velocity, both (a) magnitude and (b...
  76. physics

    A diver springs upward from a board that is three meters above the water. At the instant she contacts the water her speed is 9.30 m/s and her body makes an angle of 83.0° with respect to the horizontal surface of the water. Determine her initial velocity, both magnitude and ...
  77. physics

    A diver springs upward from a board that is three meters above the water. At the instant she contacts the water her speed is 9.10 m/s and her body makes an angle of 77.0° with respect to the horizontal surface of the water. Determine her initial velocity, both magnitude and ...
  78. Physics

    A diver springs upward from a board that is 3.00 m above the water. At the instant she contacts the water her speed is 8.90 m/s and her body makes an angle of 75.0 degrees with respect to the horizontal surface of the water. Determine her initial velocity both magnitude and ...
  79. physics

    A diver springs upward from a board that is three meters above the water. At the instant she contacts the water her speed is 9.00 m/s and her body makes an angle of 71.0° with respect to the horizontal surface of the water. Determine her initial velocity, both magnitude and ...
  80. Physics Classical Mechanics

    A railroad gun of mass M = 2.0 kg fires a shell of mass m=1.0 kg at an angle of θ= 40.0 ∘ with respect to the horizontal as measured relative to the gun. After the firing is complete, the final speed of the projectile relative to the gun (muzzle velocity) is v0=110....
  81. physics

    A balling ball of mass 70.2 kilogram is attached to the ceiling by a 4.20 meter rope. The ball is pulled to to one side and set to horizontal circular motion with a speed of 3.6 meters per second. The angle between the rope and the vertical axis is 30 degrees when pulled....
  82. Physics- Algebra based

    A diver springs upward from a board that is three meters above the water. At the instant she contacts the water her speed is 9.10 m/s and her body makes an angle of 80.0° with respect to the horizontal surface of the water. Determine her initial velocity, both magnitude and ...
  83. physics

    A (10.25) kg bowling ball is hung on a (11.50) m long rope. It is then pulled back until the rope makes an angle of (39.0) degrees with the vertical and released. Find the speed of the ball is at the lowest point. Give your answer in m/s and with 3 significant figures.
  84. physics

    A 60 kg skier with an initial speed of 12 m/s coasts up a 2.5 m high rise that makes a 35 degree angle with the horizontal. If the coefficient of friction between the skis and the snow is .08, find the speed of the skier when he reaches the top of the rise. How much work does ...
  85. Math (Calculus) (Related Rates)

    A boat pulls away from a dock at 2 m/s, but the operator has neglected to remove the tow rope used to pull the boat up to the dock. This rope runs thru a pulley which is attached to the dock at a point 1 m higher than the point at which the rope is attached to the boat. A) How...
  86. physics

    A 0.700-kg ball is on the end of a rope that is 0.90 m in length. The ball and rope are attached to a pole and the entire apparatus, including the pole, rotates about the pole's symmetry axis. The rope makes an angle of 70.0° with respect to the vertical as shown. What is the...
  87. A.S.U

    A ski tow operates on a slope of angle 15.4 ∘ of length 320 m . The rope moves at a speed of 12.5 km/h and provides power for 50 riders at one time, with an average mass per rider of 73.0 kg . Estimate the power required to operate the tow.
  88. Physics

    Skier A of mass 71kg slides down a slope and makes a completely inelastic collision with Skier B, who is stationary, and has a mass of 55kg.Immediately after the collision both skiers have a speed of 5.8m/s. a)Find the speed of skier A immediately before the collision. (I got ...
  89. PHYSICS

    a child is pulled on a sled across a snow-covered yard. the combined mass of the child and the sled is 35 kg. the angle that the rope pulling the sled makes with the horizontal is 34 degrees. the person pulling on the rope applies a force of 182 N. given that the coefficient ...
  90. physics

    A 69.4-kg skier coasts up a snow-covered hill that makes an angle of 24.3° with the horizontal. The initial speed of the skier is 7.04 m/s. After coasting 1.78 m up the slope, the skier has a speed of 3.04 m/s. Calculate the work done by the kinetic frictional force that acts...
  91. physics

    Find the work done when a 20 kg sled is pulled across level ground by a rope that makes a 50 deg angle with the horizontal. The sled moves 40 m and the rope is pulled with 10 N of force. If the work done by friction is 240 J, what will happen to the Kinetic Energy of the sled?
  92. physics

    A box with a mass of 40.0 kg is pulled along a level floor at a constant speed by a rope that makes an angle of 20.0o with the floor as shown below. If the force on the rope is 200 N, then coefficient of sliding friction or ) between the box and the floor is: a) 0.58 b) 0.48 c...
  93. physics

    A 0.700-kg ball is on the end of a rope that is 2.20 m in length. The ball and rope are attached to a pole and the entire apparatus, including the pole, rotates about the pole's symmetry axis. The rope makes an angle of 70.0° with respect to the vertical as shown. What is the...
  94. physics

    A 0.700-kg ball is on the end of a rope that is 2.20 m in length. The ball and rope are attached to a pole and the entire apparatus, including the pole, rotates about the pole's symmetry axis. The rope makes an angle of 70.0° with respect to the vertical as shown. What is the...
  95. Physics

    A ski tow operates on a slope of angle 14.9∘ of length 320m . The rope moves at a speed of 12.5km/h and provides power for 55 riders at one time, with an average mass per rider of 68.0kg .Estimate the power required to operate the tow.
  96. science

    A 71.9-kg skier coasts up a snow-covered hill that makes an angle of 27.5 ° with the horizontal. The initial speed of the skier is 9.67 m/s. After coasting a distance of 1.50 m up the slope, the speed of the skier is 4.52 m/s. (a) Find the work done by the kinetic frictional ...
  97. physics

    A 0.700-kg ball is on the end of a rope that is 2.20 m in length. The ball and rope are attached to a pole and the entire apparatus, including the pole, rotates about the pole's symmetry axis. The rope makes an angle of 70.0° with respect to the vertical as shown. What is the...
  98. physics!

    A (10.25) kg bowling ball is hung on a (11.50) m long rope. It is then pulled back until the rope makes an angle of (39.0)o with the vertical and released. Find the tension in the rope when the ball is at the lowest point. Give your answer in N and with 3 significant figures.
  99. Physics

    A diver springs upward from a board that is three meters above the water. At the instant she contacts the water her speed is 8.80 m/s and her body makes an angle of 76.0° with respect to the horizontal surface of the water. Determine her initial velocity, both magnitude and ...
  100. physics

    A ski trail makes a vertical descent of 77 m. A novice skier, unable to control his speed, skis down this trail and is lucky enough not to hit any trees. If the skier is moving at 17 m/s at the bottom of the trail, calculate the total work done by friction and air resistance ...
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  58. 57
  59. 58
  60. 59
  61. 60
  62. 61
  63. 62
  64. 63
  65. 64
  66. 65
  67. 66
  68. 67
  69. 68
  70. 69
  71. 70
  72. 71
  73. 72
  74. 73
  75. 74
  76. 75
  77. 76
  78. 77
  79. 78
  80. 79
  81. 80
  82. 81
  83. 82
  84. 83
  85. 84
  86. 85
  87. 86
  88. 87
  89. 88
  90. 89
  91. 90
  92. 91
  93. 92
  94. 93
  95. 94
  96. 95
  97. 96
  98. 97
  99. 98
  100. 99
  101. 100