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2. A force of 10 Newton acts on a body of mass 20 kg for 10 seconds. Change in its momentum is(a) 5 kg m/s(b) 100 kg m/s(c)200 kg m/s(d)1000 kg m/s |
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Answer» F = mv-mu/t10 = mv-mu/10Change in momentum = 100 Ns or 100kgm/s |
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