A particle is placed at rest inside a ho...

A particle is placed at rest inside a hollow hemisphere of radius `R`. The coefficient of friction between the particle and the hemisphere is `mu = (1)/sqrt(3)`. The maximum height up to which the particle can remain stationary is

`R/2`

`(1-sqrt3/2)R`

`sqrt3/2R`

`(3R)/8`

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The correct Answer is:

`h=R-R cos theta,mu=tan theta`

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