SOLUTION: A cars tires are moving at 550 revolutions per minute while the car travels at 55mph. What is the radius (in inches) of the wheels?
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Question 428931: A cars tires are moving at 550 revolutions per minute while the car travels at 55mph. What is the radius (in inches) of the wheels?
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
A cars tires are moving at 550 revolutions per minute while the car travels at 55mph.
What is the radius (in inches) of the wheels?
:
Find the inches per minute
= 58080 in/min
:
Find the inches per revolution
= 105.6 inches, the circumference of the tire
:
Find the radius
= 105.6
r =
r = 16.81 inches is radius of the tire
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