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A projectile of mass 50 kg is projected ...

A projectile of mass 50 kg is projected vertically upwards with a velocity of 100 m/s . After 5 seconds it explodes into two pieces , one piece of 20 kg moving vertically upward with velocity 150 m/s . Calculate the velocity of the other piece and also the algebraic sum of the momenta of the system 3 s later .

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The correct Answer is:
`15 ms^(-1)` downward , 1080 kg `ms^(-1)`
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NN GHOSH-LAWS OF MOTION, FREE BODY DIAGRAM-Exercise (A)
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