A bomb at rest explodes in air in two equal fragments. If one of the fragments starts moving vertically upwards with velocity $v_{0}$ , then the other fragment will move:

vertically up with velocity

v_{0}

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vertically downwards with velocity

v_{0}

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in any arbitrary direction

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none of these

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Solution

The correct option is D vertically downwards with velocity $v_{0}$
As the momentum should be conserved the the other part moves with velocity $v_{o}$ downwards

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