The velocity of a body of mass 10 kg increases fro
m 4 m/s to 8 m/s. When a force act on it for 2 seconds, find : (a) the momentum before theaction of force ? (b) the momentum after the action of force? (c) the magnitude of force?
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Explanation:
the and is 20 nms-1 for the 2 nd one ok use formula m(v-u)by t ok use this formula
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