Question
A wheel has a radius of 3.1 m. How far (path length) does a point on the circumference travel if the wheel is rotated through the following angles, respectively?
(a) 36°
m
(b) 36 rad
m
(c) 36 rev
m
(a) 36°
m
(b) 36 rad
m
(c) 36 rev
m
Answers
Damon
circumference = 2 pi r
= 19.48 meters
a) 36/360 = .1
.1 * 19.48 = 1.948 meters
b) angle in radians * r = distance
36 * 3.1 = 111.6 meters
c) 36 * 19.48 = 701
= 19.48 meters
a) 36/360 = .1
.1 * 19.48 = 1.948 meters
b) angle in radians * r = distance
36 * 3.1 = 111.6 meters
c) 36 * 19.48 = 701