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A frictionless track ABCDE ends in a cir...

A frictionless track ABCDE ends in a circular loop of radius R. A body slides down the track from point A which is at height h = 5cm. Maximum value of R for a body to complete the loop successfully is

A

`5`cm

B

`15/4`cm

C

`10/3`cm

D

`2`cm

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The correct Answer is:
D
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