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Question

A light rod of length l=1 m is hinged at its centre and two masses of m1=5 kg and m2=2 kg are hung from the ends as shown in figure. Find the initial angular acceleration of the rod assuming that it was horizontal in beginning. (Take g=10 m/s2)



A
8.5 rad/s2
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B
4.4 rad/s2
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C
3.4 rad/s2
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D
5.4 rad/s2
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