A cricket ball of mass `150g` has an initial  velocity `(3 hati + 4hatj)ms^(-1)`
Channel: Doubtnut
Date: 2020-07-26

A cricket ball of mass `150g` has an initial  velocity `(3 hati + 4hatj)ms^(-1)` and a final   velocity `upsilon = -(3hati + 4hatj)ms^(-1)` after beigh hit  The change in momentum (final momentum initial momentum) is (in kg `ms^(-1)`)