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A rod PQ of mass M and length L is hinge...

A rod PQ of mass M and length L is hinged at end P. The rod is kept horizontal by a mass less than string tied at a point Q as shown in figure. When string is cut, the initial acceleration rod is:

A

`3g/(2L)`

B

`g/L`

C

`2g/L`

D

`2g/(3L)`

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