Question

calculate the average angular velocity and the average linear velocity of the tip of a 10 cm long second hand of a watch.

Answer 1

Angular velocity = 2 pi ÷ T
= 2 × 3.14 ÷ 60
T = 60 because we are taking about second hand
So
Angular velocity = 0.104 rad / sec

V = radius × angle velocity
V = 10 × 0.104
V = 1.04 m/s

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Answer 2

Angular Velocity= π/30 rad/s
Linear velocity = π/3 cm/s