A force of 10 newton acts on a body of mass 20kg for 10 seconds. What is the change in its momentum
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F= P/t
10/20=0.5 = acceleration = v/t
so v=a.t = 0.5 * 10 = 5
mv = 5 * 20 = 100
10/20=0.5 = acceleration = v/t
so v=a.t = 0.5 * 10 = 5
mv = 5 * 20 = 100
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