Question

Calculate the speed if the length of the minute hand of a clock is 5 centimetre

Answer 1

Velocity= (angular velocity)*radius

V=rw.

Here r=5cm. And angular velocity w=(2*pi)/T, where T=time period.

Thus w=2*pi/(60*60)

Because 1 hour=60min=3600 sec.

V=(5*10^-2)m * 2 *pi/3600

=8×10^(-5) m/s.

Cheers Mark brainliest .