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A stone is projected from a point on the...

A stone is projected from a point on the ground in such a way so as to hit a bird at height 3h and could attain a maximum height 4h above the ground. If at the instant of projection, the bird flies away horizontally with speed `10 ms^(-1)` and the stone still hits the bird while descending, then the horizontal velocity of stone is

A

`8 ms^(-1)`

B

`15 ms^(-1)`

C

`12 ms^(-1)`

D

`9 ms^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
B
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