Question
98.A weightless thread can bear tension upto 3.7 Kg wt. A stone of mass 500 gms is tied to it and revolve in a circular path of radius 4m in a vertical plane. If g = 10m/s , then the maximum angular velocity of the stone will be (1) 4 rad/sec (2) 16 rad/sec (1) 21 rad/sec (1) 2 rad/sec