1.

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)

Answer»

`10I - 20 J`
`10sqrt(3)I + 10 j`
`10 I + 10sqrt(3)j`
`5I + 5sqrt(3) j`

Answer :C


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