Question

A wheel has a radius of 100 cm. How far (path length) in meters does a point on the circumference travel if the wheel is rotated through angles of
(a) 30°,
(b) 60 rad,
(c) 60 rev,
respectively?

Answer 1

displacement=radius*angleinRad
= radius*2PI*angleinDegrees/360
= radius*revolutions