Question

A racing car travels on a circular track of
radius 399 m, moving with a constant linear
speed of 40.5 m/s.
Find its angular speed.
Answer in units of rad/s

Answer 1

Circumference = pi * 2r = 3.14 * 2*399 = 2507 m.

V = 40.5m/s * 6.28rad/2507m = 0.1015 rad/s.