Question 607616: For a tire radius 14 in, find the number of rotations the tire will make in 1 hour going at 55 mph.
I do not know where to begin. Answer by scott8148(6628) (Show Source):
You can put this solution on YOUR website! the circumference of the tire is ___ 2 * pi * 14 inches
___ this is how far the tire moves in one rotation
1 hr at 55 mph is a distance of 55 mi
___ 5280 ft in a mile
___ 12 inches in a ft
divide the inches in 55 mi, by the inches in one rotation
___ to find the rotations in 55 mi
