A body of mass 5 kg is moving with veloc...

A body of mass 5 kg is moving with velocity of `v=(2hati+6hatj)ms^(-1)` at t=0s. After time t=2s, velocity of body is `(10 hati+6 hatj)`, then change in momentum to body is

`40hati kg m//s`

`20hati kg m//s`

`30hati kg m//s`

`(50hati+30hatj)kg m//s`

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