- a 1200 W motor bike can move at a maximum speed of 30.0 m/s . how much force does the motor exert?
- what would be the average momentum of 60.0 kg sprinter who finishes 100.0 m in 60 s?
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An object dropped from a window of a tall building hits the ground in 14.1 s. If its acceleration is 10 m/s^2, the height of the window above the ground is (you may neglect air resistance):
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