M Mark H New member Jun 30, 2009 #1 A wheel has a radius of 4.1 meters, how far does a point on the circumference travel if the wheel is rotated through an angle of 30 degrees, 30 rad, and 30 revolutions respectively?
A wheel has a radius of 4.1 meters, how far does a point on the circumference travel if the wheel is rotated through an angle of 30 degrees, 30 rad, and 30 revolutions respectively?
D dudevcc New member Jun 30, 2009 #2 arc length = central angle in radians * radius arc length = 30(pi/180) * 4.1m = 2.15 m arc length = 30 * 4.1m = 123 m arc length = 2pi * 4.1m = 25.76 m hope this helps
arc length = central angle in radians * radius arc length = 30(pi/180) * 4.1m = 2.15 m arc length = 30 * 4.1m = 123 m arc length = 2pi * 4.1m = 25.76 m hope this helps