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A copper rod (length =2.0m, radius =3.0 ...

A copper rod (length =2.0m, radius `=3.0 xx 10^(-3)m`) hangs down from the ceiling. A 9.0kg object is attached to the lower end of the rod. The rod acts as a ''spring'' and the object oscillates vertically with a small amplitude. Ignoring the rod's mass, find the frequency f of the simple harmonic motion.

A

66Hz

B

13Hz

C

93Hz

D

37Hz

Text Solution

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The correct Answer is:
A
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