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A body slides down on a frictionless tra...

A body slides down on a frictionless track which ends in a circular loop of diameter D. The minimum height h in terms of D so that the body may just complete the circular loop, is

A

`h = 5/2 D`

B

`h = 3/2 D`

C

`h = 5/4 D`

D

`h = 2D`

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The correct Answer is:
C
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