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The diameter of each wheel of a bicycle is 28 inches28 inches. if you are traveling at a speed of 15 miles per hour15 miles per hour on this​ bicycle, through how many revolutions per minute are the wheels​
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The diameter of each wheel of a bicycle is 28 inches28 inches. if you are traveling at a speed of 15 miles per hour15 miles per hour on this​ bicycle, through how many revolutions per minute are the wheels​ turning

User Richard Nemeth
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1 mile is 5280 feet, which is 63360 inches
15 miles is 63360*15=950400 inches
15 miles per hour=950400 inches/60 minutes = 15840 inches/minute
next, find the perimeter of the wheel: C=π*D=28π

15840÷28π= about 180 revolutions per minute
User Postelrich
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