en.wikipedia.org/wiki/Revolutions_per_minute

Revolutions per minute is a measure of the frequency of rotation, specifically the number of rotations around a fixed axis in one minute. It is used as a measure of ...

www.quora.com/How-can-I-calculate-revolutions-per-minute-of-a-tire-at-a-certain-speed

First, calculate the diameter of the tire: 255/30R20: Sidewall height = 30% of 255mm tread width = 76.5mm = 3.01"; Total diameter = twice the sidewall height ...

www.wyzant.com/resources/answers/75937/how_many_revolutions_per_minute_are_the_wheels_turning

The diameter of each wheel of a bicycle is 26 inches. If you are traveling at a speed of 35 miles per hour on this bicycle, through how many ...

itstillruns.com/formula-rpm-5076999.html

Calculating RPM of a wheel on a vehicle: An automobile is traveling in a straight line at 60 miles per hour. The outside diameter of each wheel is 27 inches.

answers.yahoo.com/question/index?qid=20100926173207AApjoyr

You don't need formula, just dimensional analysis. The radius is 14 inches and the circumference is π14 or 44 inch or 3.67 feet that means the ...

www.wikihow.com/Calculate-RPM

How to Calculate RPM. Revolutions per minute, or RPM, are a measure of how fast a rotating object turns. Knowing how fast an object turns is important in ...

www.convert-me.com/en/convert/angular_velocity/revpermin.html

Conversion chart for Revolution per minute (Revolution, angular velocity conversion). Instant units and measurements conversion, metric conversion and other ...

www.technologystudent.com/gears1/gears6.htm

PDF FILE - CLICK HERE FOR PRINTABLE WORKSHEET. Below are examples of the way to work out 'revolutions per minute', or RPM as it is usually called.