Samira A.
asked • 12/12/17a 3 diameter tire rolls a distance of 1 mile how many revolution does it take
revolution
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1 Expert Answer
Andrew M. answered • 12/12/17
Tutor
New to Wyzant
Mathematics - Algebra a Specialty / F.I.T. Grad - B.S. w/Honors
Assuming you mean the tire has a diameter of 3 feet:
Noting that the radius is half the diameter:
Circumference of the tire: c = 2πr = 2(3.14)(1.5) = 9.42 ft
In one revolution the tire travels 9.42 feet. How many revolutions does it
take to travel 5280 feet?
(5280 ft)÷(9.42 ft/rev) = 560.5 revolutions to travel a mile
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Andrew M.
12/12/17