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A block of mass m slides down along the ...

A block of mass m slides down along the surface of the bowl from the rim to the bottom as shown in fig. The velocity of the block at the bottom will be-

A

`sqrt((pi Rg))`

B

`2sqrt((pi Rg))`

C

`sqrt((2Rg))`

D

`sqrt((gR))`

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The correct Answer is:
C
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