Physics

Problem

A weightless thread can withstand tension upto

30 \text{ N}

. A stone of mass

0.5 \text{ kg}

is tied to it and is revolved in a circular path of radius

2 \text{ m}

in a vertical plane. If

g = 10 \text{ m/s}^2

, then the maximum angular velocity of the stone will be :- (1)

5 \text{ rad/s}

(2)

\sqrt{30} \text{ rad/s}

(3)

\sqrt{60} \text{ rad/s}

(4)

10 \text{ rad/s}