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A small coin is placed on a flat horizon...

A small coin is placed on a flat horizontal turn table. The turn table is observed to make three revolutions in 3.14 sec. What is the coefficient of static friction between the coin and turn table if the coin is observed to slide off the turn table when it is greater than 10cm from the centre of turn table

A

0.4

B

0.36

C

4

D

0.004

Text Solution

Verified by Experts

The correct Answer is:
B
`f=mromega^(2), f=mumg`
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