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A body of mass 4 kg is moving with momentum of 8 kg ms . A force of 0.2N acts on it in the

A body of mass 4 kg is moving with momentum of 8 kg ms . A force of 0.2N acts on it in the direction of motion of the body for 10s. The increase in kinetic energy is ? (a) 10 J (b) 8.5J (c) 4.5 J (d) 4 J

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