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A solid ball rolls down a parabolic path...


A solid ball rolls down a parabolic path ABC from a height h as shown in figure. Portion AB of the path is rough while BC is smooth. How high will the ball climb in BC?

A

`H=5/7 h`

B

`H= 5/2h`

C

`H = 7/5h`

D

`H = 3/ 7 h`

Text Solution

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The correct Answer is:
A
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