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!

Algebra.Com
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?
----------------------------------------------------------

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.


RELATED QUESTIONS

A truck with 54-in.-diameter wheels is traveling at 45 mi/h. How many revolutions per... (answered by rothauserc)
A truck with 54-in.-diameter wheels is traveling at 45 mi/h. How many revolutions per... (answered by Boreal,MathTherapy)
A truck with 48-in.-diameter wheels is traveling at 45 mi/h. (a) Find the angular speed... (answered by Alan3354)
A truck with 48-in.-diameter wheels is traveling at 50 mi/h. Find the angular speed of (answered by ikleyn)
A truck with 54-in.-diameter wheels is traveling at 45 mi/h. (a) Find the angular... (answered by addingup)
A truck with 22-in.-diameter wheels is traveling at 50 mi/h. 1.Find the angular speed... (answered by Alan3354)
A truck with 30inch diameter wheels is traveling at 55mi/h. Find the angular speed of the (answered by josmiceli,advanced_Learner)
A truck with 48-in.-diameter wheels is traveling at 50 mi/h. a.) Find the angular... (answered by ikleyn,math_tutor2020)
A truck with 18-in.-diameter wheels is traveling at 45 mi/h. (a) Find the angular speed (answered by Alan3354)