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A cyclist of total mass 85 kg maintains a constant speed up an inclined plane. the plane is inclined at 20 degrees to the horizontal. with frictional force of 120 N. the cyclist covers a distance of 50 m along the inclined plane in 20 s.
1. Calculate the work done by the cyclist's applied force
2. Calculate the average power output of the cyclist.
A rotational axis is directed perpendicular to the plane of a square. Two forces, F1 and F2, are applied to diagonally opposite corners and act along the sides of the square. In all case the net torque produced by the forces is zero.
While riding bumper cars at the fair, bob's car collides directly with the back of joe's car while both cars are moving to the right. before the collision, joe's car was traveling at 1.8 m/s and bob's car at 2.0m/s. the combined mass of joe and hi..
question1a bridge truss extends 200m across a river. the structure is free to slide horizontally to permit thermal
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A uniform-density 8 kg disk of radius 0.27 m is mounted on a nearly frictionless axle. Initially it is not spinning. A string is wrapped tightly around the disk, and you pull on the string with a constant force of 39 N by a distance of 0.7 m. Now ..
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Suppose the Eskimo is pushing the same 50.0-kg sled across level terrain with a force of 50 N. If he does 4 x 10^2J of work on the sled while exerting the force horizontally, through what distance must he have pushed it.
a speeder passes a parked police car at a constant speed of 34.9 ms. at that instant the police car starts from rest
You want to chip a golf ball from fairway to elevated green. The point where you want the ball to land is horizontal distance d and a vertical distance h from its launch point. determine the initial seed of ball in terms of d, g, theta, and h
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