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September 2, 2014

Homework Help: Science (Force and motion)

Posted by maria on Tuesday, May 3, 2011 at 7:49am.

Explain how acceleration can be slowing down.

Calculate the impact force of a 50 kg object travelling at 100km/hr.

(Momentum = mass x velocity)
Calculate the momentum of a tennis ball of 50 g moving at a velocity of 25m/s.

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