A 14.4-kg sled is being pulled across a horizontal surface at a constant velocity. The pulling force has a magnitude of 66.9 N and is directed at an angle of 32 ° above the horizontal. Determine the coefficient of kinetic

52,847 results
  1. physics

    A 17-kg sled is being pulled along the horizontal snow-covered ground by a horizontal force of 29 N. Starting from rest, the sled attains a speed of 2.1 m/s in 9.6 m. Find the coefficient of kinetic friction between the runners of the sled and the snow.

  2. physics

    An 845 N sled is pulled a distance of 180 m. The task requires 1.38 x 104 J of work and is done by pulling on a rope with a force of 122 N. The rope is held at _____° above the horizontal.

  3. Physics

    You are pulling your little sister on her sled across an icy (frictionless) surface. When you exert a constant horizontal force of 120 N, the sled has an acceleration of 1.7 m/s2 If the sled has a mass of 8.4 kg, what is the mass of your little sister?

  4. Physics

    You pull a sled across a horizontal frictionless patch of snow. If your pulling force is in the same direction as the sled's displacement and increases the kinetic energy of the sled by 34%, by what percentage would the sled's kinetic energy increase if

  5. physics

    A boy pulls a sled of mass 5.0 kg with a rope that makes an 60.0° angle with respect to the horizontal surface of a frozen pond. The boy pulls on the rope with a force of 10.0 N; and the sled moves with constant velocity. What is the coefficient of

  6. 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

  7. physics

    A 20kg sled is being pulled across a horizontal surface at a constant velocity. The pulling force has a magnitude of 80N and is directed at a angle of 30.0degrees above the horizontal. Determine the coefficient of kinetic friction.

  8. Physics

    A sled is pulled across a horizontal snow surface with a constant velocity. The force being applied is 80 N at an angle of 53 degrees to the ground. What is the magnitude of the force of friction of the snow acting on the sled?

  9. Physics II Honors

    A 23.0 kg sled is being pulled across a horizontal surface at a constant velocity. The pulling force has a magnitude of 79.0 N and is directed at an angle of 30.0° above the horizontal. Determine the coefficient of kinetic friction.

  10. Physics

    A sled which has a mass of 45kg is sitting on a horizontal surface. A force of 120 N is applied to a rope attached to the front of the sled such that the angle between the front of the sled and the horizontal is 35 degrees. As a result of the application

  11. physics

    A sled is pulled at a constant velocity across a horizontal snow surface. If a force of 100 N is applied to the sled at an angle of 40 degrees to the ground, what is the force of friction between the sled and the snow?

  12. PHYSICS HELP

    A team of dogs is pulling a sled that has a load of 2500 kg at a constant speed of 5.0 m/s. The coefficient of kinetic friction between the sled and the snow is 0.10. What is the horizontal force the dogs are exerting on the loaded sled? The horizontal

  13. Physics- Elena please help!

    A sled loaded with bricks has a total mass of 18.0 kg and is pulled at constant speed by a rope inclined at 40.0o above the horizontal. The sledge moves a distance of 16.0 m on a horizontal surface. The coefficient of kinetic friction between the sledge

  14. Physics

    a sled mass 50 kg is pulled along snow-covered, flat group. the static friction coefficent is 0.30, and the sliding friction coefficient is .10. what force is need to get the sled moving? then, what force is needed to keep the sled moving at a constant

  15. physics

    A 12 kg toboggan is pulled along at a constant velocity on a horizontal surface by a horizontal force of 11 N How much horizontal force is needed to pull the toboggan at a constant velocity if two 57 kg girls are sitting in it ?

  16. physics

    A sled is being pulled across a horizontal patch of snow. Friction is negligible. The pulling force points in the same direction as the sled's displacement, which is along the +x axis. As a result, the kinetic energy of the sled increases by 47.5 percent.

  17. physic

    A 2000 N sled is pulled along a horizontal surface with a constant force by means of a rope that makes an angle of 30.0o with the horizontal. If the tension in the rope is 500 N and there is 100 N of frictional force between the sled and the surface, find

  18. Physics URGENT!!!

    A sled loaded with bricks has a total mass of 18.0 kg and is pulled at constant speed by a rope inclined at 40.0o above the horizontal. The sledge moves a distance of 16.0 m on a horizontal surface. The coefficient of kinetic friction between the sledge

  19. physics

    A child is pulling a sled across a horizontal surface by a rope that makes a 27.5 degree angle with the ground. The child pulls with a force of 32.7 N and the total mass of the sled is 23.5 kg. Find the weight of the sled.

  20. Physics - Dynamics/forces

    A sled of 6 kg mass is moving along a smooth, horizontal ice surface with a velocity of Vo. A force of 36 N is applied to the sled in it direction of motion, increasing its velocity to 2Vo when it moves 10 m. find the sleds original velocity, Vo and the

  21. Physics

    A sled mass of 40 kg is pulled along a snow covered surface. The coefficient of static friction is 0.40 and the coefficient of sliding friction is 0.25 a) what force is needed to start the sled moving? b)what force is needed to start to keep the sled

  22. Physics

    Josh pulls a sled with a force of 100-N at an angle 30° above horizontal axis. The total mass of the sled and Josh’s sister is 60.0-kg. The friction coefficient between the surface and the sled:static= 0.160; kinetic= 0.100 a) Determine if Josh can move

  23. physics

    A 16-kg sled is being pulled along the horizontal snow-covered ground by a horizontal force of 35 N. Starting from rest, the sled attains a speed of 2.1 m/s in 9.5 m. Find the coefficient of kinetic friction between the runners of the sled and the snow.

  24. physics

    It's a snowy day and you're pulling a friend along a level road on a sled. You've both been taking physics, so she asks what you think the coefficient of friction between the sled and the snow is. You've been walking at a steady 1.5m/s, and the rope pulls

  25. physics

    A father pulls his young daughter on a sled with a constant velocity on a level surface through a distance of 10 m, as illustrated below. If the total mass of the sled and the girl is 35 kg and the coefficient of kinetic friction between the sled runners

  26. physics HELP

    a 18.0kg sled being pulled across horizontal surface at constant velocity. pulling force has magnitude of 82.0N and is directed at angle of 30 degree above horizontal. determine coefficient of kinetic friction

  27. Physics

    please help !! A 10 kg sled is pulled horizontally by a force. If the coefficient of static friction is 0.3 , what force is needed to get the sled moving at a constant velocity?

  28. Physics

    A light spring having a force constant of 125 N/m is used to pull a 9.50 kg sled on a horizontal ice rink. The coefficient of kinetic friction between the sled and the ice is 0.200. The sled has an acceleration of 2.00 m/s^2. By how much does the spring

  29. physics

    A loaded sled is pulled by means of a rope that makes an angle of 45.0° with the horizontal. If the mass of the sled is 60.0 kg and the coefficient of friction is 0.020, how much work is done in pulling the sled for a distance of 1.000 km?

  30. Physics URGENT!!!

    A sled loaded with bricks has a total mass of 18.0 kg and is pulled at constant speed by a rope inclined at 40.0o above the horizontal. The sledge moves a distance of 16.0 m on a horizontal surface. The coefficient of kinetic friction between the sledge

  31. physics!!!!

    There is a two member dog sled team pulling with all their strength in the middle of a snow storm. Dog A is pulling with a force of 178 N at 15𝑜 and Dog B is pulling with 225 N at −10𝑜 . The sled and gear weigh 980 N and has a

  32. physics

    an adult exerts a force of 26n to pull a child across the snow on a sled. The rope joins the sled at an angle of 30 degrees above the horizontal. Ignoring friction, how much work is done in pulling the sled 390m?

  33. Physics

    A 25 kg box is being pulled across a surface. The coefficient of kinetic friction between the box and the surface is 0.55. a) if the box is moving at a constant speed, what is the pulling force? b)If the pulling force is 350 N, what is the NET force acting

  34. Physics

    A loaded penguin sled weighing 73 N rests on a plane inclined at angle θ = 21° to the horizontal (Fig. 6-23). Between the sled and the plane, the coefficient of static friction is 0.24, and the coefficient of kinetic friction is 0.19. (a) What is the

  35. Physics

    A 27.0kg sled is being pulled across a horizontal surface at a constant velocity. The pulling force has a magnitude of 71.0N and is directed at an angle of 30.0deg above the horizontal. Determine the coefficient of kinetic friction.

  36. physics

    A sled loaded with bricks has a total mass of 17.0 kg and is pulled at constant speed by a rope inclined at 20.0o above the horizontal. The sled moves a distance of 17.0 m on a horizontal surface. The coefficient of kinetic friction between the sled and

  37. physics

    A loaded dogsled has a mass of 400kg and is being pulled across a horizontal, paced snow surface at a velocity of 4.0m/s (N). Suddenly, the harness separates from the sled. If the coefficient of kinetic friction for the sled on the snow is 0.0500, how far

  38. physics

    a sled is pulled at a velocity across a horizontal snow surface. if a force of 8.0x10 to the first power N is being applied to a sled rope at an angle of 53 degrees to the ground, what is the magnitude force of friction

  39. physics

    a sled is pulled at a velocity across a horizontal snow surface. if a force of 8.0x10 to the first power N is being applied to a sled rope at an angle of 53 degrees to the ground, what is the magnitude force of friction

  40. physics

    Gooluk, the Inuit, is pulling a 62kg sled through the snow on his way home from ice fishing. On the back of the sled is his 50kg sack of fishing tackle. The coefficient of sliding friction between the sled and the snow is .07 and the coefficient of sliding

  41. physics

    A sled is moving at a constant speed down a surface inclined at 45.0° with the horizontal and travels 30 meters in 4 seconds. Calculate the vertical velocity of the sled at the end of 4 seconds.

  42. physics10

    A sled of mass 51 kg is pulled along snow-covered, flat ground. The static friction coefficient is 0.30, and the sliding friction coefficient is 0.10. (a) What does the sled weigh? (b) What force will be needed to start the sled moving? (c) What force is

  43. physics

    A 20 kg sled rests on a horizontal surface. if it takes 75 N to start the sled in motion and 60 N to keep it moving at a constant speed, what are the coefficients of static and kinetic friction respectively? explain please

  44. physics

    A -kg block is initially at rest on a frictionless horizontal surface. It is pulled with a constant horizontal force N. How long must it be pulled before its speed is m/s? t_{pull} =

  45. Physics

    A 24.5-kg sled is being pulled across a horizontal surface at a constant velocity. The pulling force has a magnitude of 77.0 N and is directed at an angle of 30.0° above the horizontal. Determine the coefficient of kinetic friction.

  46. Physics

    A 29.8-kg sled is being pulled across a horizontal surface at a constant velocity. The pulling force has a magnitude of 88.8 N and is directed at an angle of 39 ° above the horizontal. Determine the coefficient of kinetic friction.

  47. 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

  48. Physics

    You are pulling your little sister on her sled across an icy (frictionless) surface. When you exert a constant horizontal force of 114 N, the sled has an acceleration of 2.3 m/s2 If the sled has a mass of 7.6 kg, what is the mass of your little sister? I

  49. physics and motion

    The Grizwald’s have just chopped down a Christmas tree and have decided to pull it out of the woods on a sled over the snow. Clark has attached a rope to the sled and is pulling the tree/sled system (mass = 22 kg) with a force of 50.0 N at an angle of

  50. Physics

    A child on a sled is initially at rest on an icy horizontal surface. The sled is pushed until it reaches a final velocity of 7.00 m/s in a distance of 11.2 m. The coefficient of friction between the ice and runners of the sled is 0.200, and the weight of

  51. physics

    A sled is moving at a constant speed down a surface inclined at 45.0° with the horizontal and travels 30 meters in 4 seconds. Calculate the vertical velocity of the sled at the end of 4 seconds.

  52. physics

    A sled is moving at a constant speed down a surface inclined at 45.0° with the horizontal and travels 30 meters in 4 seconds. Calculate the vertical velocity of the sled at the end of 4 seconds.

  53. Physics

    A 66.2 kg person sits on the 5.3 kg sled (slope is on an angle, angle not given). It is to be pulled across the snow with a coefficient of friction equal to 0.12. What horizontal force is required to pill the sled at a constant speed?

  54. Physics

    A 125-kg sled is dragged by a team of dogs a distance of 2 km over a horizontal surface at a constant velocity. If the coefficient of friction between the sled and the snow is 0.15, find (a) the work done by the team of dogs and (b) the energy lost due to

  55. physics

    a father pulls his young daughter on a sled with a constant velocity on a level surface through a distance of 10-m, if the total mass of the sled a the girl is 35-kg and the coefficent of kinetic friction between the sled runners and the snow is 0.20, how

  56. physics

    A bicycle wheel is mounted on a fixed, frictionless axle. A massless string is wound around the wheel's rim, and a constant horizontal force, F, starts pulling the string from the top of the wheel starting at time t = 0 when the wheel is not rotating.

  57. PHYSICS

    A -kg block is initially at rest on a frictionless horizontal surface. It is pulled with a constant horizontal force N. How long must it be pulled before its speed is m/s? t pull =

  58. physics

    A snowmobile is pulling a large sled across a snow-covered field. The weight of the sled is 3560 N. If the coefficient of friction of the sled is 0.12, what is the pulling force supplied by the snowmobile?

  59. Physics

    A sled mass of 40 kg is pulled along a snow covered surface. The coefficient of static friction is 0.40 and the coefficient of sliding friction is 0.25 a) what force is needed to start the sled moving? b)what force is needed to start to keep the sled

  60. physics

    A loaded penguin sled weighing 75 N rests on a plane inclined at angle θ = 24° to the horizontal (Fig. 6-28). Between the sled and the plane, the coefficient of static friction is 0.25, and the coefficient of kinetic friction is 0.13. (a) What is the

  61. physics

    A physics student pulls a block of mass m = 20 kg up an incline at a slow constant velocity for a distance of d = 4.5 m. The incline makes an angle Δ = 30° with the horizontal. The coefficient of kinetic friction between the block and the inclined plane

  62. physics

    A team of dogs drags a 112 jk sled 2.23 km over a horizontal surface at a constant speed. The coefficient of friction between the sled and the snow is 0.181. The acceleration of gravity is 9.8 m/s. Find the work done by the dogs

  63. Physics

    A 22.0 kg sled is being pulled across a horizontal surface at a constant velocity. The pulling force has a magnitude of 78.0 N and is directed at an angle of 30.0° above the horizontal. Determine the coefficient of kinetic friction.

  64. physics

    A 14.4-kg sled is being pulled across a horizontal surface at a constant velocity. The pulling force has a magnitude of 66.9 N and is directed at an angle of 32 ° above the horizontal. Determine the coefficient of kinetic friction

  65. physics

    A 15.5-kg sled is being pulled across a horizontal surface at a constant velocity. The pulling force has a magnitude of 76.7 N and is directed at an angle of 27 ° above the horizontal. Determine the coefficient of kinetic friction.

  66. Physics

    A 24.5-kg sled is being pulled across a horizontal surface at a constant velocity. The pulling force has a magnitude of 87.5 N and is directed at an angle of 30.0° above the horizontal. Determine the coefficient of kinetic friction. µk=

  67. Physics

    Three huskies are pulling a dog sled. The mass of the driver, sled and supplies is 145 kg. Snowy is pulling with a force of 83 N and 15.5degrees to the left of forward. Buster is pulling with a force of 75 N at 9degrees right of forward and Prince is

  68. Physics

    You are pulling your little sister on her sled across an icy (frictionless) surface. When you exert a constant horizontal force of 113 N, the sled has an acceleration of 1.3 m/s2 If the sled has a mass of 6.6 kg, what is the mass of your little sister?

  69. Calculus

    Chris pulled a sled 153 m by exerting a constant force of 225N at a constant angle of 65 degrees to the level ground. Find the work done in pulling the sled.

  70. physics

    A sled loaded with bricks has a total mass of 23.0 kg and is pulled at constant speed by a rope inclined at 40.0o above the horizontal. The sledge moves a distance of 12.0 m on a horizontal surface. The coefficient of kinetic friction between the sledge

  71. Physics- Elena please help!

    A sled loaded with bricks has a total mass of 18.0 kg and is pulled at constant speed by a rope inclined at 40.0o above the horizontal. The sledge moves a distance of 16.0 m on a horizontal surface. The coefficient of kinetic friction between the sledge

  72. physics

    A person is pulled to the right on a sled (total mass of 60.1 kg) across the surface of a frozen pond with a force of 62.9 Newtons so that they move with a constant velocity. What is the force of friction acting on the sled? Choose your coordinate system

  73. physics

    homework question I have and I don't really understand how to do the problem. Gooluk, the Inuit, is pulling a 62kg sled through the snow on his way home from ice fishing. On the back of the sled is his 50kg sack of fishing tackle. The coefficient of

  74. physics

    A sled loaded with bricks has a total mass of 18.0 kg and is pulled at constant speed by a rope inclined at 30.0o above the horizontal. The sledge moves a distance of 16.0 m on a horizontal surface. The coefficient of kinetic friction between the sledge

  75. Physics

    An 125 kg sled is pulled across a flat field at a constant velocity of 13 m/s. The coefficient of friction between the ground and the sled is .6.

  76. physics vectors w/angles

    A little girl is riding a sled horizontally in the snow, the combined mass of the girl and sled is 33.4 kg. She is being pulled by her parents. Mom is pulling her with a force of 5.18 N, at an angle of 20.0 degree E of N. Dad is pulling her with a force of

  77. Phyics

    A 17-kg sled is being pulled along the horizontal snow-covered ground by a horizontal force of 28 N. Starting from rest, the sled attains a speed of 2.3 m/s in 10 m. Find the coefficient of kinetic friction between the runners of the sled and the snow.

  78. physics

    A 17-kg sled is being pulled along the horizontal snow-covered ground by a horizontal force of 34 N. Starting from rest, the sled attains a speed of 2.9 m/s in 9.9 m. Find the coefficient of kinetic friction between the runners of the sled and the snow

  79. physics

    A 17-kg sled is being pulled along the horizontal snow-covered ground by a horizontal force of 20 N. Starting from rest, the sled attains a speed of 2.2 m/s in 8.4 m. Find the coefficient of kinetic friction between the runners of the sled and the snow.

  80. Physic

    A 16-kg sled is being pulled along the horizontal snow-covered ground by a horizontal force of 27 N. Starting from rest, the sled attains a speed of 2.2 m/s in 9.6 m. Find the coefficient of kinetic friction between the runners of the sled and the snow.

  81. physics

    a 17 kg sled is being pulled along the horizontal snow covered ground by a horizontal force of 22 N. starting from rest the sled attains a speed of 1.9 m/s in 7.8 m find the coefficient of kinetic fiction between the runners of the sled and the snow.

  82. Physics, Angular displacement

    A 20 kg sled is being pulled along a horizontal stretch of snow covered ground by a horizontal force of 30 N. Starting from rest, the sled attains a speed of 2.0 m/s in 12 m. Using the work-energy theorem, find the coefficient of kinetic friction between

  83. science..physics

    I'm on a test..don't get me wrong physics is hard. Ha. A 10 kg sled is pulled horizontally by a force. If the coefficient of static friction is 0.3 , what force is needed to get the sled moving at a constant velocity?

  84. Biomechsnics

    what happens if an athlete is pulling a sled angle attached to his hip, resulting in an angle of force of pull at 15 degrees to the ground. If the coefficient of sliding friction between the sled and the grass is 0.8 and the sled has a mass of 25 kg, what

  85. physics

    a child and a sled weighed 290N slide down an ice covered hill that is 10m high. at the bottom of the hill there is an free ice, rough horizontal surface that brings the sled to stop within a distance of 25m. what is the coefficient of fiction between the

  86. Physics

    A sled is pulled with a horizontal force of 17 N along a level trail, and the acceleration is found to be 0.40 m/s2. An extra mass m = 4.4 kg is placed on the sled. If the same force is just barely able to keep the sled moving, what is the coefficient of

  87. Physics

    You're using a rope to pull a sled at constant velocity across level snow,with coefficient of kinetic friction 0.050 between sled and the snow. The sled is loaded with physics books, giving a total mass of 23 kg . A) With what force should you pull with

  88. science

    A body with a mass of 490kg is pulled along a horizontal plane at a constant velocity.the pulling force is 1.2 kN is making an angle of 20degrees with the plane. A.determine the coefficient of friction

  89. science

    1 . A body with a mass of 490kg is pulled along a horizontal plane at a constant velocity.the pulling force is 1.2 kN is making an angle of 20degrees with the plane. A.determine the coefficient of friction

  90. physics

    A block is pulled to the right across a alevel surface at a constant velocity of a horizontal force of 16 newtons. what is the coefficient of kinetic friction between the block and the surface?

  91. physics

    A child on a sled (total mass 41 kg) slides down a hill inclined at an angle θ = 22° at a constant speed 3.5 m/s. (a) How long does it take the child to travel 40 meters down the slope? (b) What is the frictional force on the sled? (c) What is the

  92. physics

    a 20newton object Is pulled along a horizontal surface at a constant velocity by a 30N force. What is the coefficient of friction

  93. physics

    An 850 N sled is pulled a distance of 180 m. The task requires 1.20 104 J of work and is done by pulling on a rope with a force of 125 N. At what angle is the rope held? answer: ____ ° (with the horizontal)

  94. physics

    A physics student pulls a block of mass m = 23 kg up an incline at a slow constant velocity for a distance of d = 4 m. The incline makes an angle q = 25° with the horizontal. The coefficient of kinetic friction between the block and the inclined plane is

  95. I need 2 get these prob. b4 they get 2 me on test!

    A father gives his son a ride by pulling a sled across the rough snow. The father runs across the snow with a constant acceleration while pulling the sled at F = 75.0 N, at 30 deg. above the horizontal. The combined mass the sled and son is 30.0 kg. The

  96. Physics

    A loaded penguin sled weighing 81 N rests on a plane inclined at angle θ = 21° to the horizontal (Fig. 6-23). Between the sled and the plane, the coefficient of static friction is 0.24, and the coefficient of kinetic friction is 0.13. (a) What is the

  97. Physics

    A loaded penguin sled weighing 66 N rests on a plane inclined at angle θ = 24° to the horizontal (Fig. 6-23). Between the sled and the plane, the coefficient of static friction is 0.22, and the coefficient of kinetic friction is 0.13. (a) What is the

  98. Sience

    A boy is pulling his toy on a smooth horizontal surface with a rope inclined at 60° to the horizontal . if the effective force is pulling the toy along the horizontal surface is 5newton , calculate the tension . show full working

  99. physics

    A light spring having a force constant of 110 is used to pull a 15.0 sled on a horizontal frictionless ice rink. The sled has an acceleration of 1.60 ? [2/27/12 9:41:56 PM] Matt Yeager: By how much does the spring stretch if it pulls on the sled at 29.0

  100. physics

    a man pulls an 80 kg sled up an incline that is at an angle of 25 degrees with the horizontal using a rope attached to the sled at an angle of 35 degrees. If the coefficient of friction between the sled and the incline is 0.70, what force must the man

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