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A projectile is fired at an angle of 30^...

A projectile is fired at an angle of `30^(@)` to the horizontal such that the vertical component of its initial velocity is `80 ms^(-1)`. Its time of flight is T. Its velocity at `t = T//4` has a magnitude of nearly

A

`200m//s`

B

`300m//s`

C

`140m//s`

D

`100m//s`

Text Solution

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The correct Answer is:
C
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