Question

The ratio of angular speed of hour hand to that of a minute hand is

Answer 1

The angular speed of a flywheel rotating at 90 r.p.m. is ... angular velocity of minutes hand = 2π/3600 radians / sec

The hour hand moves 1 complete revolution in 12 hours, 1/12 rev/hour. The minute hand moves 1 complete revolution in 1 hour, or 1 rev/hour. Technically, angular speed is measured in radians per unit time, where 1 revolution = 2 pi radians.