A bullet of mass 0.4 kg is shot from a rifle with a speed 100 m/s. If the bullet penetrates through a 5 cm wall with a velocity of 20 m/s, what is the force exerted by the wall on the bullet?
physics
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the force exerted by the wall on the bullet is 0.5m/s
khadijja:
thanks but from where you got 0.5 ?
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