Work, Power and EnergyHard
Question
A frictionless track ABCDE ends in a circular loop of radius R. A body slides down the track from point A which is at a height h = 5 cm. Maximum value of R for the body to successfully complete the loop is :- (The velocity at point B is 
)
)Options
A.5 cm.
B.
cm.
cm.C.
cm.
cm.D.2 cm.
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