Copyright © Michael Richmond.
This work is licensed under a Creative Commons License.
Question 1:
A wheel of radius R = 20 cm rolls a distance d = 76 cm. How many radians does it rotate?
Answer: The angle in radians is
length of arc 76 cm
angle = ------------- = -------
radius 20 cm
= 3.8 radians
Copyright © Michael Richmond.
This work is licensed under a Creative Commons License.