1.

A body of mass 6 kg is acted on a by a force so that its velocity changes from `3 ms^(-1)` to `5ms^(-1)`, then change in momentum isA. 48 NsB. 24 NsC. 30 NsD. 12 Ns

Answer» Correct Answer - D
Given, mass `=6` kg
velocity `v=v_(2)-v_(1)=5-3=2`
`:.` Momentum `p=mv=6xx2=12 N-s`


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