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A coin placed on a rotating table just s...

A coin placed on a rotating table just slip when it is placed at a distance 4 r from the centre, on doubling the angular velocity of the table , the coin will just slip now the coin is at a distance from centre is

A

4r

B

2r

C

r

D

`r//4`

Text Solution

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The correct Answer is:
C
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NTA MOCK TESTS-NTA NEET SET 35-PHYSICS
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