Question

A bicycle tire turns at 133.0 rpm and has a radius of 40.0 cm. The speed (v = r) of the bicycle is about

Answer 1

θ=133 rpm = 133*2*π/60 radians/s
Speed = rθ=40/100 m *θ
=1.7733π m/s
=5.571 m/s (approx.)