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A thin rod of mass m and length l is hin...

A thin rod of mass `m` and length `l` is hinged at the lower end to a level floor and stands vertically. Then its upper end will strike the floor with a velocity given by:

A

`sqrt(2gl)`

B

`sqrt(3gl)`

C

`sqrt(5gl)`

D

`sqrt(mgl)`

Text Solution

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The correct Answer is:
B
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