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:

`sqrt2gl`

`sqrt5gl`

`sqrt3gl`

`sqrtmgl`

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SL ARORA-FLUIDS AT REST-Problem for self practice

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