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A particle is projected at 60(@) to the...

A particle is projected at ` 60(@)` to the horizontal with a kinetic energy `K` . The kinetic energy at the highest point is

A

`K//2`

B

`K`

C

Zero

D

`K//4`

Text Solution

Verified by Experts

The correct Answer is:
D
`(1)/(2)mv^(2) = K`,
`(1)/(2)m(v cos 60)^(2) = (1)/(2)m ((v^(2))/(4)) = (1)/(2) ((1)/(2)mv^(2)) = (K)/(4)`
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