A coin, placed on a rotating turn-table slips, when it is placed at a distance of 9 cm from the centre. If the angular velocity of the turn-table is trippled, it will just slip, if its distance from the centre is 

(1) 27 cm

(2) 9 cm

(3) 3 cm

(4) 1 cm

Concept Videos :-

#22-Uniform-Circular-Motion
#23-Solved-Examples-12
#24-Solved-Examples-13
#25-Friction-as-Centripetal-Force- Solved-Examples-13

Concept Questions :-

Uniform circular motion
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