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The velocity of a body of mass 10 kg increases from 4 m/s to 8 m/s. When a force act on it for 2 seconds, find :

(a) What is the momentum before the force act?

(b) What is the momentum after the force act?

(c) What is the momentum gain in momentum per sec?

(d) What is the value of force?

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by PopGirl

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