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

A shell of mass m moving with a velocity breakes up suddenly into two pieces. The pa having mass m/3 remains stationary. The velocity the other part will be

A shell of mass m moving with a velocity breakes up suddenly into two pieces. The pa having mass m/3 remains stationary. The velocity the other part will be

A space craft of mass 2000 kg moving with a velocity of 600m//s suddenly explodes into two pieces. One piece of mass 500 kg is left stationary. The velocity of the other part must be (in m//s )