SOLUTION: The tires on a car have a diameter of 27 inches. The car runs over a pebble, which sticks inside the tread of one of the tires. If the pebble on the tire rotates at a speed of 4
Algebra.Com
Question 1089534: The tires on a car have a diameter of 27 inches. The car runs over a pebble, which sticks inside the tread of one of the tires. If the pebble on the tire rotates at a speed of 4 revolutions per second, find the speed of the car in miles per hour.
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
The tires on a car have a diameter of 27 inches.
The car runs over a pebble, which sticks inside the tread of one of the tires. If the pebble on the tire rotates at a speed of 4 revolutions per second, find the speed of the car in miles per hour.
:
Find the circumference, mult by the rev per sec, times 3600 sec in a hr
Divide by 12 and 5280
:
= 19.3 mph
RELATED QUESTIONS
If the tires on a car each have a diameter of 25 inches, how far will the car travel in... (answered by jim_thompson5910,richwmiller)
If the tires on a car each have a diameter of 25 inches, how far will the car travel in... (answered by Alan3354)
A new set of car tires has a tread depth of 8 millimeters. The tread depth decreases... (answered by oberobic)
Two cars with new tires are driven at an average speed of 60 mph for a test drive of 2000 (answered by stanbon)
Your car travels at 75 mph on the interstate. You drive at this rate for 90 minutes. If... (answered by lwsshak3)
the spedometer in a car is only correct when the car has new tires. Explain,using... (answered by checkley71)
The Tires on Mrs. T's car have a 24 inch diameter.
a. how far will the car go in one... (answered by ankor@dixie-net.com)
If you have changed the tires on your car, the original diameter is 24.5 inches. to a new (answered by josmiceli,Alan3354)
A new tire has a tread of about .34 inch. After 5000 miles the tread is about .31 inch.... (answered by richwmiller)