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A body is projected with an initial velo...

A body is projected with an initial velocity `20 m//s` at `60^(@)` to the horizontal. Its initial velocity vector is `"___" (g=10 m//s^(2))`

A

`10 hati -20 hatj`

B

`10 sqrt(3) hati +10 hatj`

C

`10 hati +10 sqrt(3) hatj`

D

`5 hati +5 sqrt(3) hatj`

Text Solution

Verified by Experts

The correct Answer is:
C
`vec u =u cos theta hati + u sin theta hatj`
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