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A body moves along circular path of radi...

A body moves along circular path of radius 50 m and the coefficient of friction is 0.4. What should be its angular velocity is `rad//s` if it is not to slip from the surface? (g=9.8`m//s^2`)

A

2.8

B

0.28

C

0.27

D

2.7

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The correct Answer is:
B
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