Starting from rest Maria pulls horizontally on her new wagon for 1.1 seconds. She exerts a constant force of 89N against a frictional force of 43N. The wagon's final velocity is 3.2m/s. If she is on a level ground, how

30,354 results
  1. Physics

    a child causes a wagon to accelerate by pulling it with a horizontal force. newton's third law says that the wagon exerts an equal and opposite force on the child. how can the wagon accelerate

  2. AP Physics

    A husband and wife take turns pulling their child in a wagon along a horizontal sidewalk. Each exerts a constant force and pulls the wagon through the same displacement. They do the same amount of work, but the husband's pulling force is directed 50°

  3. physics

    Suppose two children push horizontally, but in exactly opposite directions, on a third child in a wagon. The first child exerts a force of 75.0 N, the second a force of 95.0 N, friction is 12.0 N, and the mass of the third child plus wagon is 21.0 kg. (c)

  4. physics

    A child pulls a wagon by the handle along a flat sidewalk. She exerts a force of 80.0 N at an angle of 30.0 above the horizontal while she moves the wagon 12 m forward. The force of friction on the wagon is 34 N. Calculate the mechanical work done by the

  5. physics

    A 35.2 kg wagon is towed up a hill inclined at 18.3◦ with respect to the horizontal. The tow rope is parallel to the incline and exerts a force of 125 N on the wagon. Assume that the wagon starts from rest at the bottom of the hill, and disregard

  6. physics

    a child causes a wagon to accelerate by pulling it with a horizontal force. newton's third law says that the wagon exerts an equal and opposite force on the child. how can the wagon accelerate? (hint: draw a free-body diagram for each object.)

  7. physics

    A 48-kg girl stands on a 8-kg wagon holding two 19.5-kg weights. She throws the weights horizontally off the back of the wagon at a speed of 9.0 m/s relative to herself. - Assuming that the wagon was at rest initially, what is the speed of the girl after

  8. samoana high school

    phoebe physics pulls a wagon with a force of 80 N. a) what is the net force of friction between the wagon and the ground is 12 N. b) if she uses 80 N to pull the wagon through a med puddle, and the net force on the wagon is 38 N, what friction force asts

  9. physics

    A 48-kg girl stands on a 8-kg wagon holding two 19.5-kg weights. She throws the weights horizontally off the back of the wagon at a speed of 9.0 m/s relative to herself. Assuming that the wagon was at rest initially, what is the speed with which the girl

  10. physics

    a boy is pulling on a wagon with a force of 70 N directed at an angle of 30 degrees to the horizontal. What force is the wagon being pulled horizontally?

  11. Physics

    Two workers pull horizontally on a heavy box, but one pulls twice as hard as the other. The larger pull is directed at 25 degree west of north and the resultant of these two pulls is 350 netwon directly northward. Use vector components to find the

  12. physics

    A boy pulls a wagon with a force of 20N on a handle of .50 meters long. The end he holds is .25 meters higher than the end attached to the wagon. What is the magnitude of the horizontal component that acts to pull the wagon forward?

  13. physics

    A 15 kg cart is pushed on a frictionless surface from rest horizontally by a 30 N force. What is the cart's acceleration? b. How far wil it travel in 10 seconds? c. What is its velocity at the end of 10 seconds?

  14. physics

    a girl pulls a wagon along a level path for a distance of 15.0 m. the handle of the wagon makes an angle of 20.0 degrees with the horizontal, the girl exerts a force of 35.0 N on the handle. Friction provides a force of 24.0 N. Find the net work done on

  15. Physics

    a 15kg wagon Is pulled to the right with a force of 45 newtons. The wagon accelerates at 2 m/s^2 what is the magnitude of the frictional force acting on the wagon

  16. physics

    A child pulls on a wagon handle at an angle 37° above the horizontal with a force of 45 N. If the wagon accelerates at 8.1 m/s2 horizontally, what is the mass of the wagon? Assume frictional forces are negligible.

  17. Physics

    A car starting from rest is uniformly accelerated so that it's velocity in 5 seconds is 36 km/h . It travels at this velocity for 5 seconds, and then a brake is applied to bring it to rest in the next 5 seconds. Find the total distance travelled

  18. Physics

    You pull on a wagon resting on the sidewalk. What will happen next? The wagon moves because you apply more force to the wagon than it applies to you. The wagon doesn’t move because the force you apply to the wagon is equal to the force it applies to you:

  19. physics

    How much work is done by the boy pulling his sister d = 25.0 m in a wagon as shown in figure below? Assume no friction acts on the wagon and he pulls with a force of 65.0 N and at an angle θ = 31.0°.

  20. physics

    A tractor pulls a loaded wagon with a constant force of 300 N. If the total mass of the wagon and its contents is 275 kg, (a) what is the wagon's acceleration? (b) Assuming the wagon started from rest, how far does the tractor travel in 4.00 s?

  21. physics

    A 40.0 kg wagon is towed up a hill inclined at 17.9° with respect to the horizontal. The tow rope is parallel to the incline and has a tension of 140 N. Assume that the wagon starts from rest at the bottom of the hill, and neglect friction. How fast is

  22. Physics

    A 32 kg child puts a 15 kg box into a 12 kg wagon. The child then pulls horizontally on the wagon with a force of 65 N. if the box does not move relative to the wagon, what is the static friction force on the box?

  23. physics

    A man pulls a wagon with a handle that is at an angle of 42° with the ground. If the man pulls with 330 N of force, how much force pulls the wagon forward?

  24. Physical Science

    This is a velocity versus time graph of a car starting from rest. If the area under the line is 10 meters, what is the corresponding time interval? A. 2 seconds B. 4 seconds C. 5 seconds D. 10 seconds E. 15 seconds

  25. physics

    a net force of 100 newton's is applied to a wagon for 5 seconds. this causes the wagon to undergo a change in momentum of

  26. physics

    A 38.2 kg wagon is towed up a hill inclined at 19° with respect to the horizontal. The tow rope is parallel to the incline and exerts a force of 140 N on the wagon. Assume that the wagon starts from rest at the bottom of the hill, and disregard

  27. Physics

    Consider a ball at rest on the middle of a toy wagon. When a wagon is pulled forward, the ball rolls against the back of the wagon. Interpret this observation in terms of Newton's First Law of Motion. thanks ;)

  28. Physics

    A wagon is coasting at a speed, vA, along a straight and level road. When ten percent of the wagon's mass is thrown off the wagon, parallel to the ground and in the forward direction, the wagon is brought to a halt. If the direction in which this mass is

  29. Science

    a wagon that has a mass of 8kg? If the net force on a wagon is 4N, what is the wagon’s acceleration?

  30. physics

    Charlie pulls horizontally to the right on a wagon with a force of 37.2 N. Sara pulls horizontally to the left with a force of 22.4 N. How much work is done on the wagon after it has moved 2.50 meters to the right? in joules?

  31. Physics

    A child pulls a wagon along level ground. The handle with which she pulls the wagon makes an angle of 20.0 degrees with the ground as the child pulls with a force of 78.0 Newton. What are the components of the force. Pls pls pls pls help me answer this and

  32. physics

    A 38.2 kg wagon is towed up a hill inclined at 19° with respect to the horizontal. The tow rope is parallel to the incline and exerts a force of 140 N on the wagon. Assume that the wagon starts from rest at the bottom of the hill, and disregard

  33. physics

    a girl pulls a 12.0 kg wagon along by exerting a force of 15.0 N on the wagons handle, which makes an angle of 20.0 degrees with the horizontal. Friction provides a force of 11.0 N in the opposite direction. How long does it take for the wagon, which is

  34. PHYSICS

    A child pulls a wagon along level ground.the handle with which she pulls the wagon makes an angel of 20.0 degree with the ground as the child pulls with force of 78.0N what are the components of the force?

  35. Phys.1200

    Suppose two children push horizontally, but in exactly opposite directions, on a third child in a wagon. The first child exerts a force of 73.0 N, the second a force of 95.0 N, friction is 14.0 N, and the mass of the third child plus wagon is 23.0 kg.

  36. physics

    A boy pulls his little brother in a little red wagon. He keeps the handle horizontal to the ground. His little brother and the wagon weigh 40 kg. How much tension will the boy have to place on the wagon's handle to get it moving from a standstill?

  37. Physics

    A cart is coasting at a speed v A along a straight and level road. When ten percent of the wagon’s mass is thrown off the wagon, parallel to the ground, and in the forward direction, the wagon stops. However, if this same amount of mass is thrown out the

  38. physics

    a father pulls hi children in a wagon for 25 minutes covering 1.25 miles on a level sidewalk. he pulls with an average force of 35 lbf at an angle of 45 degrees to the sidewalk. (a) how much work is done (in ft.lbf)? (b) what is the average horsepower

  39. calculus

    A force of 10 pounds is applied to a wagon, directed at an angle of 30∘30∘. Find the component of this force pulling the wagon straight up, and the component pulling it horizontally along the ground.

  40. physics

    A child pulls a wagon with a force of 58 N by a handle making an angle of 27 degrees with the horizontal. If the wagon has a mass of 4.5 kg, to the nearest hundredth of a m/s2 what is the acceleration of the wagon

  41. physics

    A horse pulls upon a wagon, but according to Newton’s third law the wagon pulls back with an equal and opposite force upon the horse. Use a free-body diagram and show all the involved forces. i posted this question before but i still don't get it. Could

  42. Physics

    A husband and Wife take turns pulling their child in a wagon along a horizontal sidewalk. Each exerts a constant force and pulls the wagon through the same displacement. They do the same amount of work, but the husband's pulling force is directed 58

  43. Physics

    A wagon is coasting at a speed vA along a straight and level road. When twenty-five percent of the wagon's mass is thrown off the wagon, parallel to the ground and in the forward direction, the wagon is brought to a halt. If the direction in which this

  44. PHysics

    A car starting from rest & moves for 20 seconds its velocity reach 5 m/s & moves at this velocity for 30 seconds.its velocity increases to 10 m/s over 10 seconds.it moves at this velocity for 40 seconds & then slows down to come to rest after further 60

  45. science

    Two workers pull horizontally on a heavy box, but one pulls twice as hard as the other. The larger pull is directed at 25.0 degrees west of north, and the resultant of these two pulls is 350.0 N directly northward. Use vector components to find the

  46. maths

    The head of an industrial machine moves in a straight line horizontally backwards and forwards from a central position. The movement can be modelled using the sine wave d = 80 sin ( pie t), where d is the horizontal distance (in cm) from the central

  47. Physics

    Sorry if it is alot of questions 1. A crate falls from an airplane flying horizontally at an altitude of 2000 m. Neglecting air resistance, about how long will the crate take to strike the ground? a. 10 seconds b. 20 seconds c. 400 seconds d. 100 seconds

  48. Physics

    A horse pulls upon a wagon, but according to Newton’s third law the wagon pulls back with an equal and opposite force upon the horse. How then can either the wagon or the horse move? I'm supposed to draw a free body diagram but I'm not sure on the

  49. Physics

    You are pulling handle of a wagon with a force of 270N. The handle makes an upward 35 degrees angle with the ground. The loaded wagon has a mass of 95kg. 1.what is the weight of the wagon? 2.How much of your applied force pulls the wagon forward? 3.what is

  50. physics

    A small child has a wagon with a mass f 10 kilograms (KG). The child pulls on the wagon with a force of 2 newtons (N). What is the acceleration of the wagon?

  51. Physics

    A 40.7kg wagon is towed up a hill inclined at 18.1 degrees with respect to the horizontal. The tow rope is parallel to the incline and has a tension of 139N in it. Assume that the wagon starts from rest at the bottom of the hill, and neglect friction. The

  52. physics

    the force exerted on a rope pulling a wagon is 49 N. the rope is 35 degrees above the horizontal. find the force that pulls the wagon over the ground.

  53. Physics

    A child pushes a wagon with a passenger of total mass 42 kg along a horizontal surface as fast as the child can run, and then releases the wagon, which continues for another 16 m before stopping. The coefficient of kinetic friction acting to slow the wagon

  54. Physics

    A 12 kg wagon is being pulled at an angle of 38degrees above horizontal. What force is applied to the wagon if it accelerates from rest to a speed of 2.2 m/s over a distance of 3.4 m? I not sure how to do this question. Is work involved for this question.

  55. Physics

    Marcy and joe are racing on their bikes. Starting from rest, if Marcy has an average acceleration of 5.7 m/s? for the first five seconds how fast was he traveling at the end of those five seconds?

  56. 12th Grade Physics

    Ben pulls a rope that is attached to a wagon with a magnitude of 300N. He pulls it in a way that te rope is at an angle of 30 degrees from the horizontal. The mass of the wagon is 2kg and the mass of Mike, who sits on the wagon, is 20kg. While the wagon

  57. math

    A child pulls a wagon with a force of 33 N by a handle making an angle of 11 degrees with the horizontal. If the wagon has a mass of 5.5 kg, to the nearest hundredth of a m/s2 what is the acceleration of the wagon?

  58. Physics

    A dedicated physics student pulls his brand new shiny red wagon along a level road such that the handle makes an angle of 50 degrees with the horizontal road. if he pulls on the handle with a force of 85N, what is the horizontal component of the force he

  59. Phyiscs

    Suppose two children push horizontally, but in exactly opposite directions, on a third child in a wagon. The first child exerts a force of 70.0 N, the second exerts a force of 92.0 N, friction is 19.0 N, and the mass of the third child plus wagon is 23.0

  60. physics

    A wagon is used to help deliver papers. There is a force applied at an angle of 25 degrees to the horizontal that causes the wagon to move a distance of 15m[N] in 10.0s from rest. There is a force of friction of 3.1 N acting on the 27kg wagon. What is the

  61. Physics

    a student pulls a 10 kg wagon with a constant 140 N force at an angle 45 degrees above the horizontal for a distance of 3.0 m. how much work did the student do on the wagon? what type of motion is the wagon experiencing ( e.g, constant speed, acceleration,

  62. Physics

    1.when a train pulls a wagon, is the work zero because wagon pulls on the train with equal opposite force(newton's third law)? 2.what is negative net work and when it is done an on object, does it reduce objects kinetic energy? 3.if the work done on an

  63. college physics

    if a girl pulls on a 15 kg wagon with a constant horizontal force of 35N.Her friend pushes on the wagon in the same direction with a constant horizontal force of 10 N. and there is a friction force of 15 N. I need to draw a diagram of this problem and

  64. 12th grade physics

    A person pulls a wagon through thick grass with a force of 800 N. The angle that the handle makes with the ground is 35. How much force moves the wagon forward?

  65. physics

    A wheel starting from rest is uniformly accelerated with alpha=4 rad/seconds square for 10 seconds. It is then allowed to rotate uniformly for the next two seconds and is finally brought to rest in the next 10 seconds. Find the total angle rotated by the

  66. Physics

    A child is walking along the sidewalk at a speed of 1 m/s while pulling his wagon. The wagon weighs 56 N. If the child pulls at an angle of 12o, and the the coefficient of kinetic friction is 0.40, then how hard does the child pull on the handle?

  67. Physics

    A child is walking along the sidewalk at a speed of 1 m/s while pulling his wagon. The wagon weighs 56 N. If the child pulls at an angle of 12o, and the the coefficient of kinetic friction is 0.40, then how hard does the child pull on the handle?

  68. physics

    if a child pulls an old wagon up a steep incline on a sidewalk, what does a child's work do? i say, it would increase, due to the fact that it is a steep hill and it takes more work to pull the wagon up??? The child's work is done aganst gravity, and

  69. Math

    An object at rest begins moving horizontally on the x-axis, starting at position x(t) = 0 feet at time t = 0 seconds.Suppose, after exactly 2 seconds we measure the position of the object to be 3 feet to the right of the origin AND measure the object to be

  70. Calculus

    An object at rest begins moving horizontally on the x-axis, starting at position x(t) = 0 feet at time t = 0 seconds.Suppose, after exactly 2 seconds we measure the position of the object to be 3 feet to the right of the origin AND measure the object to be

  71. Big MATH Help needed

    An object at rest begins moving horizontally on the x-axis, starting at position x(t) = 0 feet at time t = 0 seconds.Suppose, after exactly 2 seconds we measure the position of the object to be 3 feet to the right of the origin AND measure the object to be

  72. physics

    Two workers pull horizontally on a heavy box, but one pulls twice as hard as the other. The larger pull is directed at 25.0 degrees west of north, and the resultant of these two pulls is 350.0 N directly northward. Use vector components to find the

  73. Physics

    Two workers pull horizontally on a heavy box, but one pulls twice as hard as the other. The larger pull is directed at 25 degree west of north and the resultant of these two pulls is 350 netwon directly northward. Use vector components to find the

  74. Physics, science,

    I'm desperate Please help 2. A bird, starting from rest, accelerates at 3 m/s2 north for 5 seconds. It then sees the rest of its flock and turns due east accelerating from its previous speed to 20 m/s in 2 seconds. A. What is the velocity of the bird after

  75. Physics

    Starting from rest Maria pulls horizontally on her new wagon for 1.1 seconds. She exerts a constant force of 89N against a frictional force of 43N. The wagon's final velocity is 3.2m/s. If she is on a level ground, how much does the wagon weigh?

  76. physics

    A child pulls a wagon with a force of 16 N by a handle making an angle of 20 degrees with the horizontal. If the wagon has a mass of 4.9 kg, to the nearest hundredth of a m/s2 what is the acceleration of the wagon?

  77. Physics- linear acceleration

    A wagon, starting from rest has a linear acceleration in the positive x direction of 0.3 m/s2. For the next 19 seconds, the wheels roll without slipping. The radius of each wheel is 37.4 cm. After this time, how many radians has each wheel rotated through?

  78. physics

    A 44-kg girl stands on a 7-kg wagon holding two 15.0-kg weights. She throws the weights horizontally off the back of the wagon at a speed of 9.5 m/s relative to herself. Assuming that the wagon was at rest initially, what is the speed of the girl after she

  79. Physics

    A ball is sitting in a child's wagon and a child is holding the wagon's handle. The ball then rolls to the back of the wagon without anyone touching the ball directly. Which of the following statements according to Newton's first law of motion could

  80. Physics

    what is the momentum of a child, a dog and a wagon if the child has a mass of 12kg, the dog 9kg, and the wagon 15 kg when the childs father pulls the wagon at 2 meter per second velocity

  81. physics

    a toy train P of mass 3kg,is connected by a string to a wagon Q of mass 2kg.Thulu fastens a cable to P and pulls it with a force of 12N at an angle of 60degrees horizontally.the train moves over a wooden floor A frictional force of 2N act between the

  82. Physics

    A small utility car is pulled along a straight section of railroad tracks by a rope. When the ropepulls the car for 10 seconds the car reaches a final speed, after starting from rest, of 8m/s. Now the situation is modified slightly so that the rope pulls,

  83. physics

    a net force of 200 newton's is applied to a wagon for 3 seconds. this causes the wagon to undergo a change in momentum of

  84. physics

    A student pulls a 5kg wagon with a constant speed of 1m/s along a horizontal surface. The force of friction between the wagon and the surface is 10N. What is the applied force?

  85. vacunero sto. domingo

    a 50 kg wagon is at rest on a rough surface.The coefficient of sliding friction is 0.85.How much force is needed to start moving the wagon.

  86. Physics

    Alright, I can't figure it out, here's the problem. 3. A boy is giving his little sister a ride in the wagon. He pulls with an applied force of 20N. The frictional force against him is 20N and the sled is traveling 2m/s. If the boy pulls the wagon 45m, how

  87. Math/ Calculus Please HELP!!!

    An object at rest begins moving horizontally on the x-axis, starting at position x(t) = 0 feet at time t = 0 seconds.Suppose, after exactly 2 seconds we measure the position of the object to be 3 feet to the right of the origin AND measure the object to be

  88. MATH please help

    An object at rest begins moving horizontally on the x-axis, starting at position x(t) = 0 feet at time t = 0 seconds.Suppose, after exactly 2 seconds we measure the position of the object to be 3 feet to the right of the origin AND measure the object to be

  89. Physics

    An object starting from rest travels 20m in first 2 seconds. What will be the distance covered by it in next 4 seconds

  90. Physics

    12 kg wagon is being pulled at an angle of 38o above horizontal. What force is applied to the wagon if it accelerates from rest to a speed of 2.2 m/s over a distance of 3.4 m? Is this question a typo? Am I supposed to solve for force or work?

  91. calculus

    On a cross-country journey the distance travelled at a given time by a wagon caravan is given by the equation: p(t) = t^5 + 2t^3 - t^2 + 12 Starting at t = -1, one of the wagons starts moving on its own at a constant rate, and rejoins the caravan at t = 1.

  92. calculus

    On a cross-country journey the distance travelled at a given time by a wagon caravan is given by the equation: p(t) = t^5 + 2t^3 - t^2 + 12 Starting at t = -1, one of the wagons starts moving on its own at a constant rate, and rejoins the caravan at t = 1.

  93. maths

    would it be number 6? The head of an industrial machine moves in a straight line horizontally backwards and forwards from a central position. The movement can be modelled using the sine wave d = 80 sin ( pie t), where d is the horizontal distance (in cm)

  94. Physics

    A car starting from rest& moves for 20 seconds its velocity reach 5m/s & moves at this velocity for 30 seconds.it's velocity increases to 10m/s over 10 seconds.it moves at this velocity for 40 seconds &then slows down to come to rest after further 60

  95. Physics

    At the starting gun a runner accelerates from the rest at 1.5 m/s squared for 2.2 seconds. What is the runner's speed 2.0 seconds after she starts running?

  96. uaeu

    Two workers pull horizontally on a heavy box, but one pulls twice as hard as the other. The larger pull is directed at 25.0 ∘ west of north, and the resultant of these two pulls is 600.0 N directly northward. Use vector components to find the magnitude

  97. mathematics

    Maria just moved to a new part of the state, and she decides to take her car for a spin to see the area. Maria’s starting point is Culver City. She drives directly toward River City, located 25 miles East and 60 miles North of Culver City. After driving

  98. physics

    Two workers pull horizontally on a heavy box, but one pulls twice as hard as the other. The larger pull is directed at 25.0 west of north, and the resultant of these two pulls is 430.0 directly northward.

  99. physics

    Two workers pull horizontally on a heavy box, but one pulls twice as hard as the other. The larger pull is directed at 25.0 west of north, and the resultant of these two pulls is 560.0 directly northward.

  100. physics

    Starting from rest, a rope with a tension 30 N pulls a 2.0 kg box up a 2.0 m long, 30 degree smooth incline. What is the speed of the box at the top? Please show steps! Thanks

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