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From the top of a tower of height 78.4 m...

From the top of a tower of height `78.4 m` two stones are projected horizontally with `10 m//s` and `20 m//s` in opposite directions. On reaching the ground, their separation is

A

120 m

B

100 m

C

200 m

D

150 m

Text Solution

Verified by Experts

The correct Answer is:
A
`h=(1)/(2)"gt"_(1)^(2)-u sin theta t_(1), t_(2) =(2u sin theta)/(g), (t_(1))/(t_(2))=?`
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