Velocity of a body of mass 10kg increases form 4 m/s to 8 m/s .When a force acts on it for 2 seconds .Find (1) The momentum before the force acts .(2) The momentum after the force acts .(3) Magnitude of the force....plz answer it I will mark u as brainlist
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P = mv = 10×4 = 40 kg×m/s
F =ma = 10×4/2 =20N
F =ma = 10×4/2 =20N
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