Question

The length of minute hand of a clock is 14cm. Calculate the speed

Answer 1

Minute hand of clock makes 1 revolution every 3600 seconds.

That is 2π/3600 rad/sec = π/1800 rad/sec.

ω= π/1800 rad/sec.

v=rω

v=0.14*π/1800 m/sec

v=0.0244 m/sec

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