# The length of a second hand of a clock is 10 cm. find the speed of the tip ofthe hand?

Seconds's hand completes one rotation in 60 seconds.

Its angular velocity is 2*pi radian / 60 seconds

We know that v = radius x angular velocity

v = 10 cm x 2*pi / 60 seconds = pi/3 cm/second = 1.05 cm/s

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The length of the second hand of a clock is 10 cm. What is the speed of the tip of this hand? Therefore, Speed of the tip of 10 cm long second hand of a clock is 1.0466 cm/second .
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