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A disc of mass 0.5 kg is kept floating h...

A disc of mass 0.5 kg is kept floating horizontally in mid air by firing bullets of mass 5 g each, vertically at it at the rate of 10 per second. If the bullets drop dead. The speed of the bullet striking the disc is `(g=10 ms^(-2))`

A

`100 ms^(-1)`

B

`10 ms^(-1)`

C

10 cm/s

D

1 cm/s

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Verified by Experts

The correct Answer is:
C
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