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A body is kept on a horizontal disc of r...

A body is kept on a horizontal disc of radius 2 m at a distance of 1 m from the centre . The coefficient of friction between the body and the surface of disc is 0.4. The speed of rotation of the disc at which the body starts slipping is (g=10`m//s^2`)

A

2`rad//s`

B

4`rad//s`

C

0.2`rad//s`

D

0.4`rad//s`

Text Solution

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The correct Answer is:
A
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