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The speed of a projectile at its maximum...

The speed of a projectile at its maximum height is half of its initial speed. The angle of projection is .

A

`15^(@)`

B

`30^(@)`

C

`45^(@)`

D

`60^(@)`

Text Solution

Verified by Experts

The correct Answer is:
D
`u cos theta=(u)/(2)` So `theta=60^(@)`
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ALLEN -MOTION IN A PALNE-EXERCISE-1
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