Question

A uniform metal disc of diameter 0.1 m and mass 1.2 kg is fixed symmetrically to the lower

end of a torsion wire of length 1 m and diameter 1.44 x 10-3 m whose upper end is fixed. The

time period of torsional oscillations is 1.98 sec. Calculate the modulus of the rigidity of the

material of the wire.​

Answer 1

Answer:

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