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Question

A point mass M is released from rest and slides down a spherical bowl of radius R from a height H as shown in the figure below. The surface of the bowl is smooth (no friction). The velocity of mass at the bottom of the bowl is

A
gH
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B
2gR
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C
2gH
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D
0
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Solution

The correct option is C 2gH

Loss of P.E = Gain in K.E.
Mgh=12Mv2
v=2gH

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