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A heavy flexible uniform chain of length...

A heavy flexible uniform chain of length `pi r` and mass `lambda pi r` lies in a smooth semicircular tube AB of radius 'r'. Assuming a slight disturbane to start the chain in motion, find the velocity v with which it will emerge from the end of the tube?

A

`sqrt(4gr((3)/(pi)+(pi)/(2)))`

B

`sqrt(3gr((2)/(n)+(pi)/(5)))`

C

`sqrt(2gr((2)/(pi)+(pi)/(2)))`

D

`sqrt(5gr((4)/(pi)+(pi)/(3)))`

Text Solution

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The correct Answer is:
C
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