A student holds a bike wheel and starts it spinning with an initial angular speed of 7.0 rotations per second. The wheel is subject to some friction, so it gradually slows down. In the 10.0 s period following the inital spin, the bike wheel undergoes 60.0 complete rotations. Assuming the frictional torque remains constant, how much more time Δ t s will it take the bike wheel to come to a complete stop?
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Physics, 21.06.2019 19:00, maskythegamer
Modify the equation fδt=δ (mv) to find the force of friction.
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Physics, 22.06.2019 05:00, damientran
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Arunner is training for an upcoming marathon by running around a 100-m-diameter circular track at constant speed. let a coordinate system have its origin at the center of the circle with the x-axis pointing east and the y-axis north. the runner starts at (x, y) = (50 m, 0 m) and runs 2.5 times around the track in a clockwise direction.
Answers: 1
A student holds a bike wheel and starts it spinning with an initial angular speed of 7.0 rotations p...
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