One rotation per hour!
One rotation per hour!
One rotation per hour!
One rotation per hour!
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There can be no conversion. rpm is a measure of angular speed whereas miles per hour is a measure of linear speed. The two measure different things and, according to basic principles of dimensional analysis, any attempt at conversion from one to the other is fundamentally flawed.
Angular speed = 2*pi radians per 60 seconds = pi/30 radians per second.
6 degrees/second
A measure of how fast a rotating body is changing its angular position. The average angular speed (w) is obtained by dividing the http://www.answers.com/topic/angular-distance-2 through which the body rotates by the time taken: w = θ/t, where θ = angular distance, and t = time taken in seconds.
At 55 mph you are traveling 80.66 feet per second and after one hour at that speed you will have traveled 290,400 feet.