Determine the speed of the tip of a minute hand of length 10 cm of a wall clock.

Explanation

Speed = `(" distance")/("time")`
for one full rotation is takes 1 hour.
Distance travelled in one full rotation is ` 2pi xx r`
Speed = `(2xx pi xx 0.1)/(60 xx 60) m s^(-1) = 1.75 xx 10 ^(-4) ms ^(-1) `