In a circus stuntman rides a motorbike in a circular track of radius R in vertical plane. minimum sp

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5.Work, Energy, Power and Collision

easy

In a circus stuntman rides a motorbike in a circular track of radius $R$ in the vertical plane. The minimum speed at highest point of track will be

A

$\sqrt {2gR} $

B

$2gR$

C

$\sqrt {3gR} $

D

$\sqrt {gR} $

Solution

(d)Minimum speed at the highest point of vertical circular path $v = \sqrt {gR} $

Standard 11

Physics

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