Amotorcyclist heading east through a small town accelerate at constant 4.0meter per seconds square after he leaves the limits. at t=0 he is 5.0m east of the city limit signposts, moving east at 15 m/s. (a) find his position and velocity at t=2.0secs. (b)where is he when his velocity is 25m/secs.
Answers: 3
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Afigure skater is rotating at a rate of 200 revolutions per minute. what is the angular speed, in units of rad/s? 20.9 12000 200 3.33
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Suppose a wire with a current is pushed upward by a magnetic field. how would the wire move if the direction of the current reversed? explain your answer.
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To practice problem-solving strategy 10.1 for energy conservation problems. a sled is being held at rest on a slope that makes an angle θ with the horizontal. after the sled is released, it slides a distance d1 down the slope and then covers the distance d2 along the horizontal terrain before stopping. find the coefficient of kinetic friction μk between the sled and the ground, assuming that it is constant throughout the trip.
Answers: 1
Amotorcyclist heading east through a small town accelerate at constant 4.0meter per seconds square a...
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