Asked by patti
if a 12kg ball rolls down a ramp at 3 m/s and crashes into a pillow and it takes 0.65 s to stop the ball what is the momentum of the ball and the force exerted by the pillow? I would like to know the formula on how to figure this out.
Answers
Answered by
drwls
Momentum before impact = M*V = 12*3
= 36 kg m/s.
Force exerted = Impulse / decel. time)
= (Momentum change)/(deceleration time)
= 36/0.63 = ___ Newtons
= 36 kg m/s.
Force exerted = Impulse / decel. time)
= (Momentum change)/(deceleration time)
= 36/0.63 = ___ Newtons
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