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Physics

Answered

a 1200 kg car moving at 15.6 m/s collides with a stationary 1500kg car what is the velocity after the impact

Answer :

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Momentum before collision = momentum after collision
McVc=(Mc+Mb)V
1200*15.6=(1200+1500)*V
18720=2700*V
V=18720/2700
V=6.9m/s

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