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A disc rotates about its aixs of symmetr...

A disc rotates about its aixs of symmetry in a horizontal plane at a steady rate of 3.5 revolutions per second A coin placed at a distance fo 1.25 cm form the axis of ratation remains at rest on the disc The coefficient of friction between the coin and the disc is : `(g=10//s^(2))`

A

0.5

B

0.7

C

0.3

D

0.6

Text Solution

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The correct Answer is:
D
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