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A ball is thrown with velocity 8 ms^(-1)...

A ball is thrown with velocity `8 ms^(-1)` making an angle `60^(@)` with the horizontal.Its velocity will be perpendicular to the direction of initial velocity of projection after a time of

A

`(1.6)/(sqrt(3))s`

B

`(4)/(sqrt(3))s`

C

`0.6 s`

D

`1.6 sqrt(3) s`

Text Solution

Verified by Experts

The correct Answer is:
A
`t=(u)/(g sin theta)`
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