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A body is projected with velocity 60m//s...

A body is projected with velocity `60m//s` at `30^(@)` to the horizontal.The velocity of the body after `3 seconds` is

A

`20 hati +20 sqrt(3) hatj`

B

`30 hati`

C

`10 sqrt(3) hatj`

D

`30 sqrt(3) hati`

Text Solution

Verified by Experts

The correct Answer is:
D
`V=u cos theta I +(u sin theta -"gt")j`
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