A ball of mass 100 g released down an in...

A ball of mass 100 g released down an inclined plane describes a circle of radius 10 cm in the vertical plane on reaching the bottom of the inclined plane . The minimum height of the incline is

`25 cm `

`15 cm`

`30 cm`

`10 cm`

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The correct Answer is:

`h=(5r)/(2)=(5(10))/(2)=25 cm`

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