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OpenStudy (anonymous):
If a pitcher exerts 100N of force on a ball with a power output of 4500W what is the velocity?
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OpenStudy (mrnood):
Power = rate of expending energy = work/time work = force x distance , therefore work/time = force x distance/time = force xvelocity i.e. POWER = FORCExVELOCITY Take it from there.
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