A very small particle rests on the...

A very small particle rests on the top of a hemisphere of radius 20 cm. The smallest horizontal velocity to be given to it, if it is to leave the hemisphere without sliding down its surface, taking `g = 9.8 ms^-2`

`sqrt9.8 m/s`

`sqrt4.9 m/s`

`sqrt1.96 m/s`

`sqrt3.92 m/s`

Text Solution

Verified by Experts

The correct Answer is:

`(3)`

`V_(min) = sqrt rg`

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