A solid spherical ball rolls on a horizontal surface at 
and continues to roll up on an inclined surface as shown in the figure. If the mass of the ball is 
and frictional losses are negligible, the value of 
where the ball stop and starts rolling down the inclination is (Assume, 
)
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
For rolling motion,
Given, rolling velocity on horizontal surface, 
, mass of ball, 
and 
Now applying the law of energy conservation,
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