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A Particle is kept at rest at the top of...

A Particle is kept at rest at the top of a sphere of diameter `42m`.when disturbed slightly, it slides down. At what height `h` from the bottom, the particle will leave the sphere

A

`14m`

B

`28m`

C

`35m`

D

`7m`

Text Solution

Verified by Experts

The correct Answer is:
C
`h=R(1+costheta)`
`=((42)/(2))(1+(2)/(3))`
`=21xx(5)/(3)=35m`

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