SOLUTION: A tire for a compact car measures 25 inches in diameter. The car is traveling at a speed of 55 mph. Find the nearest integer, the number of revolutions per minute, RPM, the tire ma
Algebra ->
Test
-> Lessons
-> SOLUTION: A tire for a compact car measures 25 inches in diameter. The car is traveling at a speed of 55 mph. Find the nearest integer, the number of revolutions per minute, RPM, the tire ma
Log On
Question 467382: A tire for a compact car measures 25 inches in diameter. The car is traveling at a speed of 55 mph. Find the nearest integer, the number of revolutions per minute, RPM, the tire makes. Answer by jorel1380(3719) (Show Source):
You can put this solution on YOUR website! C=2πr=25π=78.54 inches
55 mph=55/60 mpm =.9167 miles per minute
.9167 mpm x 5280 feet per mile x 12 inches per feet/78.54 inches per revolution=
739.5 revolutions per minute..
