SOLUTION: A truck with 48-in.-diameter wheels is traveling at 45 mi/h.
How many revolutions per minute do the wheels make?
PLEASE HELP!
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Question 1008995: A truck with 48-in.-diameter wheels is traveling at 45 mi/h.
How many revolutions per minute do the wheels make?
PLEASE HELP!
Answer by ikleyn(52803) (Show Source): You can put this solution on YOUR website!
.
A truck with 48-in.-diameter wheels is traveling at 45 mi/h.
How many revolutions per minute do the wheels make?
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1 mile = 63360 inches (see this article in Wikipedia).
The truck covers = miles per minute.
It is . = 47520 inches per minute.
The circumference of the wheel is = 2*3.14*24 = 150.72 inches.
Hence, the number of revolution of the wheel is = 315.28 per minute.
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