Question: A computerized spin balance machine rotates a 25-inch-diameter tire at 480 revolutions per minute. (a) Find the road speed (in miles per hour) at which

A computerized spin balance machine rotates a 25-inch-diameter tire at 480 revolutions per minute.
(a) Find the road speed (in miles per hour) at which the tire is being balanced.
(b) At what rate should the spin balance machine be set so that the tire is being tested for 55 miles per hour?

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