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
B
2gR
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
For circular motion in vertical plane normal reaction is minimum at highest point and it is zero, minimum speed of motorbike is –
mg = 
v = 
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