A shell of mass m moving with velocity v...

A shell of mass m moving with velocity v suddenly breaks into 2 pieces. The part having mass m /4 remains stationary. The velocity of the other shell will be

`(3)/(4)v`

`(4)/(3)v`

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The correct Answer is:

According to conservation of momentum
`mv= ((m)/(4)) v_(1) + ((3m)/(4)) v_(2) rArr v_(2) + (4)/(3) v`

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