Work-energy theorem to find the average force
A 7.8 g bullet is accelerated in a rifle barrel 115 cm long to a speed of 590 m/s. Use the work-energy theorem to find the average force exerted on the bullet while it is being accelerated.
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A shotputter accelerates a 7.3kg shot from rest to 14m/s. If this motion takes 1.5s, what average power was developed?
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