a force of 10 N acts on a body of mass 2 kg for 3 sec , initially at rest . calculate velocity acquired by the body and change in momentum...
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v=u+at=u+(F/m)t=0+(10/2)×3=15m/'s
change in momentum =15×2-0=30kgm/s
change in momentum =15×2-0=30kgm/s
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