SOLUTION: 26 inch diameter tire How many revolutions per minute do the tires make when the truck is traveling 55 miles per hour? I get 711 but the back of the book has 770 I can't t

Question 968959: 26 inch diameter tire
How many revolutions per minute do the tires make when the truck is traveling 55 miles per hour?
I get 711 but the back of the book has 770 I can't tell what I did wrong
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
26 inch diameter tire
How many revolutions per minute do the tires make when the truck is traveling 55 miles per hour?
I get 711 but the back of the book has 770 I can't tell what I did wrong
:
Let's see what the speed is with 770 rpm
= 59.56 mph not 55; the book is wrong,
:
Try the same equation using 711 for the rpm, you will get 55, or very close
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