A stone is whirled at 40 rev/min in a 1.5 m radius. What is its angular speed in rad/s? - LAWS OF MOTION Quiz | GKFix.in

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Question

A stone is whirled at 40 rev/min in a 1.5 m radius. What is its angular speed in rad/s?

A. 2π/3 rad/s
B. π rad/s
C. 4π/3 rad/s
D. 2π rad/s