Question

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

• A. 10 m/s
• B. 2 m/s
• C. 20 m/s
• D. $\sqrt{2}$m/s

Answer 1

Answer: (B)

2 m/s

Answer 2

$v = r\omega = 0.2 \times 10 = 2m ⥂ / ⥂ s$