A coin is kept at distance of 10 cm from the centre of a circular turn table. If mu=0.8the frequency of rotation at which the coin just begins to slip is

A coin is kept at distance of 10 cm from the centre of a circular turn

1.	A coin is kept at distance of 10 cm from the centre of a circular turn table. If mu=0.8the frequency of rotation at which the coin just begins to slip is
Answer» 62.8 rpm 84.54 rpm 54.6 rpm 32.4 rpm Answer :B