Question

The ratio of the angular velocities of the hour hand
and minute hand of a watch is
A 1:1
B 1:12
c 43200 : 1
D
720:1​

Answer 1

Explanation:

Inonehour,

RotationofMinutehand=360

0

RotationofHourhand=360

0

/12=30

0

Asangulardisplacement=ωt(noangularacceleration)

ω

m

×360=360

ω

h

×360=30

∴

ω

m

ω

h

=

360

30

=1/12

ω

h

:ω

m

=1:12