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A rod of mass m is hinged at upper end A...

A rod of mass m is hinged at upper end A as shown in the figure. A point object having mass m in Strike at lower end and stops. The maximum angle through which rod will rotate is `(Given v^2 < (2gl/3))`

A

`cos^(-1) (1-((3v^2)/(2gl)))`

B

`cos^(-1) (1-((3v^2)/(gl)))`

C

`cos^(-1) (1-((v^2)/(2gl)))`

D

`cos^(-1) (1-(v^2/(gl)))`

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