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A coin kept on a rotating disc with its ...

A coin kept on a rotating disc with its centre 5 cm away from the centre of the disc, just begins to slip when the frequency of rotation of the disc reaches 60 r.p.m. The coefficient of friction is,(g=9.8 `m/s^2`).

A

0.1012

B

0.02012

C

0.3012

D

0.4012

Text Solution

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The correct Answer is:
B
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