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A small ball of mass m and radius r=(R)/...

A small ball of mass m and radius `r=(R)/(10)` rolls without slipping along the track shown in the figure. The radius of circular part of the ball starts from rest at a higher of 8R above the bottom, the normal force on the ball at the point P is

A

`sqrt(70)mg`

B

`sqrt(60)mg`

C

`sqrt(75)mg`

D

`sqrt(65)mg`

Text Solution

Verified by Experts

The correct Answer is:
D
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