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26 May, 19:26

A car is traveling at 46 mph. it its tires have a diameter of 26 inches, how fast are the car's tires turning? express the answer in revolutions per minute rounded to the nearest. 01

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  1. 26 May, 21:23
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    Circumference of the tire:

    PI x diameter = 3.14 x 26 = 81.6814 Round to 81.68

    Speed of the car in inches per minute:

    46*5280*12/60 = 48576 inches per minute

    48576/81.68 = 594.711

    Round to 594.71 revolutions per minute
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