A body is whirled in a horizontal circle of radius 20 cm. It has an angular velocity of 10 rad/s. What is the linear velocity at any point on the circular path ?

Foundation

Physics Foundation

Circular Motion

Question

$\sqrt{2} m / s$

20 m/s

2 m/s

10 m/s

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Given : Radius r = 20 cm = 0.20 m

Angular velocity, 𝜔 = 10 rad/s

Linear velocity

v = 𝜔r = 10 × 0.20 = 2 m/s