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A disc of mass 10 g is kept floating hor...

A disc of mass 10 g is kept floating horizontal in the air by firing bullets, each of mass 5g, with the same velocity at the same rate of 10 bullets per second. The bullets rebound with the same speed in positive direction . The velocity of each bullet at the time of impact is (Take `g = 9.8 ms^(-2))`

A

`1 ms^(-1)`

B

`5 ms^(-1)`

C

`10 m s^(-1)`

D

`100 ms^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
A
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