Question

A 50 cm diameter wheel rotates through 25 radians.

How do I figure out the amount of distance it will move?

Answer 1

Circumference = pi*Dia. = 3.14 * 50 = 157.1 cm.

25rad * 1rev/6.28rad = 3.98 revs.

d = 157.1cm/rev * 3.98revs = 625.4 cm.