SOLUTION: I have a 17 inch radius tires on my car. I notice I am driving 75 miles per hour. How many revolutions per minutes are my tires turning?

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Question 827287: I have a 17 inch radius tires on my car. I notice I am driving 75 miles per hour. How many revolutions per minutes are my tires turning?
Found 3 solutions by MathLover1, stanbon, MathTherapy:
Answer by MathLover1(20850)   (Show Source): You can put this solution on YOUR website!


you are driving
time is or
a 17 inch radius tires has perimeter of
convert inches to miles

now, find the distance you can travel for at
..........cancel


now divide by
...cancel mil
... the number of your tire revolutions for one minute

Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
I have a 17 inch radius tires on my car. I notice I am driving 75 miles per hour. How many revolutions per minutes are my tires turning?
--------
Find the circumference of the tire: C = 34pi inches
----
Divide 75 miles by 34pi inches = (75*5280*12 inches/hr)/(34pi inches)
= 44488.49 revolutions/hr
-------
= 471.48 revs/min
====================
Cheers,
Stan H.
====================

Answer by MathTherapy(10552)   (Show Source): You can put this solution on YOUR website!

I have a 17 inch radius tires on my car. I notice I am driving 75 miles per hour. How many revolutions per minutes are my tires turning?

Number of revolutions: , rounded down to:
You can do the check!!
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