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A woman has a mass of 50.5kg. What is her weight on earth? 4.95×102 N
Tries 0/99 What is her weight on the moon, where g=1.78m/s^2 8.99×101 N
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A 4426.0kg truck is parked on a 16.2deg slope. What is the friction force on the truck? 1.21×104 N
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A stubborn, 133.0kg mule sits down and refuses to move. To drag the mule to the barn, the exasperated farmer ties a rope around the mule and pulls with his maximum force of 838.0N. The coefficients of friction between the mule and the ground are s=0.860 and k=0.110. What is the net force on the mule? 0.00 N
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A block slides down a frictionless plane having an inclination of 15.6deg. If the block starts from rest at the top and the length of this incline is 2.18m, find the acceleration of the block.2.64 m/s^2
Tries 0/10 What is the block's speed when it reaches the bottom of the incline? 3.39 m/s
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Two masses of 3.25kg and 4.80kg are connected by a light string that passes over a frictionless pulley. Determine the tension in the string. 3.80×101 N
Tries 0/10 Calculate the acceleration of m. 1.89 m/s^2
Tries 0/10 Calculate the distance each mass will move in the first 1.72 seconds of motion if
they start from rest. 2.79 m
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Determine the stopping distance for a skier moving down a slope with friction with an initial speed of 17.5m/s. Assume μk=0.177 and θ=4.99. 1.75×102 m
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The figure below shows two horizontal forces F1 and F2, acting on an object of mass 1.37kg. The magnitude of F1 is 28.06N. The object moves strictly along the horizontal x-axis, which we choose as positive to the right. Find the magnitude of F2 if the object has a horizontal acceleration of 8.5m/s^2. 1.64×101 N
Tries 0/10 What is the magnitude of F2 if the object has a horizontal acceleration of 0m/s^2? 2.81×101 N
Tries 0/10 // What is the magnitude of F2 if the object has a horizontal acceleration of -8.68m/s^2? 4.00×101 N
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The figure below shows two objects of masses M and m. The horizontal surface allows for frictionless motion. The string ties to the two objects is massless and passes over a massless pulley that rotates without friction. If M=5.95kg and m=1.52kg, what is the magnitude of the acceleration of the sliding object? 2.00 m/s^2
Tries 0/10 What is the magnitude of acceleration of the hanging object? 2.00 m/s^2
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What is the magnitude of the tension in the string? 1.19×101 N
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The figure below shows an object on a frictionless surface that forms an angle of 32deg with the horizontal. The object is pushed by a horizontal external force such that it moves with a constant speed. If the mass of the object is 61.8kg, calculate the magnitude of the external force. 3.79×102 N
Tries 0/10 What is the magnitude of the force exerted by the inclined surface on the object? 7.15×102 N
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The figure below shows an object on an inclined ramp of mass 0.51kg. The angle of the inclined surface is 26deg with the horizontal. The object on the ramp is connected to a second object of mass 2.25kg on a horizontal surface below an overhang that is formed by the inclined surface. Further, an external force of magnitude 9.00N is exerted on the object on the ramp. We observe both objects to accelerate. Assuming that the surfaces and the pulley are frictionless, and the connecting string and the pulley are massless, what is the tension in the string connecting the two objects? 5.55 N
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A heavy freight train has a mass of 12600 metric tons. If the locomotive can pull with a force of 787000N, how long does it take to increase it's speed from 0 to 89.2 km/h? 3.97×102 s
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Forces of 10.8N north, 20.2N east, and 14.3N south are simultaneously applied to a 4.14kg mass as it rests on an air table. What is the magnitude of its acceleration? 4.95 m/s^2
Tries 0/10 What is the direction of the acceleration in degrees? (Take east to be 0 degrees and counterclockwise to be positive. Enter an angle between -180 degrees and +180 degrees.) -9.83 deg
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A 5.59kg fish is held by a taut string. If the fish is accelerated upward at a rate of 4.60m/s^2, what would be the tension in the string? 8.06×101 N
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Two horizontal forces F1 and F2, are pulling an object of mass 4.94kg from two opposite sides. F1 pulls to the right and F2 pulls to the left. The magnitude of F1 is 117.8N. The object moves strictly along the horizontal x-axis, which we chose as positive to the right. Find the magnitude of F2 if the object's horizontal acceleration is 6.96m/s^2. 8.34×101 N
Tries 0/10 Find the magnitude of F2 if the acceleration is 0m/s^2. 1.18×102 N
Tries 0/10 Find the magnitude of F2 if the acceleration is -6.96m/s^2. 1.52×102 N
Tries 0/99 What is her weight on the moon, where g=1.78m/s^2 8.99×101 N
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A 4426.0kg truck is parked on a 16.2deg slope. What is the friction force on the truck? 1.21×104 N
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A stubborn, 133.0kg mule sits down and refuses to move. To drag the mule to the barn, the exasperated farmer ties a rope around the mule and pulls with his maximum force of 838.0N. The coefficients of friction between the mule and the ground are s=0.860 and k=0.110. What is the net force on the mule? 0.00 N
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A block slides down a frictionless plane having an inclination of 15.6deg. If the block starts from rest at the top and the length of this incline is 2.18m, find the acceleration of the block.2.64 m/s^2
Tries 0/10 What is the block's speed when it reaches the bottom of the incline? 3.39 m/s
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Two masses of 3.25kg and 4.80kg are connected by a light string that passes over a frictionless pulley. Determine the tension in the string. 3.80×101 N
Tries 0/10 Calculate the acceleration of m. 1.89 m/s^2
Tries 0/10 Calculate the distance each mass will move in the first 1.72 seconds of motion if
they start from rest. 2.79 m
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Determine the stopping distance for a skier moving down a slope with friction with an initial speed of 17.5m/s. Assume μk=0.177 and θ=4.99. 1.75×102 m
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The figure below shows two horizontal forces F1 and F2, acting on an object of mass 1.37kg. The magnitude of F1 is 28.06N. The object moves strictly along the horizontal x-axis, which we choose as positive to the right. Find the magnitude of F2 if the object has a horizontal acceleration of 8.5m/s^2. 1.64×101 N
Tries 0/10 What is the magnitude of F2 if the object has a horizontal acceleration of 0m/s^2? 2.81×101 N
Tries 0/10 // What is the magnitude of F2 if the object has a horizontal acceleration of -8.68m/s^2? 4.00×101 N
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The figure below shows two objects of masses M and m. The horizontal surface allows for frictionless motion. The string ties to the two objects is massless and passes over a massless pulley that rotates without friction. If M=5.95kg and m=1.52kg, what is the magnitude of the acceleration of the sliding object? 2.00 m/s^2
Tries 0/10 What is the magnitude of acceleration of the hanging object? 2.00 m/s^2
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What is the magnitude of the tension in the string? 1.19×101 N
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The figure below shows an object on a frictionless surface that forms an angle of 32deg with the horizontal. The object is pushed by a horizontal external force such that it moves with a constant speed. If the mass of the object is 61.8kg, calculate the magnitude of the external force. 3.79×102 N
Tries 0/10 What is the magnitude of the force exerted by the inclined surface on the object? 7.15×102 N
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The figure below shows an object on an inclined ramp of mass 0.51kg. The angle of the inclined surface is 26deg with the horizontal. The object on the ramp is connected to a second object of mass 2.25kg on a horizontal surface below an overhang that is formed by the inclined surface. Further, an external force of magnitude 9.00N is exerted on the object on the ramp. We observe both objects to accelerate. Assuming that the surfaces and the pulley are frictionless, and the connecting string and the pulley are massless, what is the tension in the string connecting the two objects? 5.55 N
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A heavy freight train has a mass of 12600 metric tons. If the locomotive can pull with a force of 787000N, how long does it take to increase it's speed from 0 to 89.2 km/h? 3.97×102 s
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Forces of 10.8N north, 20.2N east, and 14.3N south are simultaneously applied to a 4.14kg mass as it rests on an air table. What is the magnitude of its acceleration? 4.95 m/s^2
Tries 0/10 What is the direction of the acceleration in degrees? (Take east to be 0 degrees and counterclockwise to be positive. Enter an angle between -180 degrees and +180 degrees.) -9.83 deg
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A 5.59kg fish is held by a taut string. If the fish is accelerated upward at a rate of 4.60m/s^2, what would be the tension in the string? 8.06×101 N
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Two horizontal forces F1 and F2, are pulling an object of mass 4.94kg from two opposite sides. F1 pulls to the right and F2 pulls to the left. The magnitude of F1 is 117.8N. The object moves strictly along the horizontal x-axis, which we chose as positive to the right. Find the magnitude of F2 if the object's horizontal acceleration is 6.96m/s^2. 8.34×101 N
Tries 0/10 Find the magnitude of F2 if the acceleration is 0m/s^2. 1.18×102 N
Tries 0/10 Find the magnitude of F2 if the acceleration is -6.96m/s^2. 1.52×102 N
