SOLUTION: A tire of a moving bicycle is 18 inches in radius. If the tire is making 3 rotations per second, find the bicycle's speed in miles per hour. What I have tried: Distance = 2 pi

Algebra ->  Customizable Word Problem Solvers  -> Travel -> SOLUTION: A tire of a moving bicycle is 18 inches in radius. If the tire is making 3 rotations per second, find the bicycle's speed in miles per hour. What I have tried: Distance = 2 pi       Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


   



Question 549209: A tire of a moving bicycle is 18 inches in radius. If the tire is making 3 rotations per second, find the bicycle's speed in miles per hour.
What I have tried:
Distance = 2 pi r
2 pi 18 = 2 pi in.

Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
A tire of a moving bicycle is 18 inches in radius.
If the tire is making 3 rotations per second, find the bicycle's speed in miles per hour.
:
Find no. of inches traveled in 1 hr, divide by no. of inches in a mile.
%28%283%2A2%2Api%2A18%2A3600%29%29%2F%28%2812%2A5280%29%29 = 19.27 mph