A body of mass 50 kg is projected vertically upwards with velocity of 100 m/sec. 5 seconds after this body breaks into 20 kg and 30 kg. If 20 kg piece travels upwards with 150 m/sec, then the velocity of other block will be
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Verified by ExpertsThe correct answer is:
A
Velocity of 50 kg. mass after 5 sec of projection 
At this instant momentum of body is in upward direction
After breaking 20 kg piece travels upwards with 150 m/s let the speed of 30 kg mass is V
By the law of conservation of momentum
⇒ ⇒ 
i.e. it moves in downward direction.
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