SOLUTION: a train wheel with a diameter of 2 feet makes 10,000 revolutions per hour. At approximately what speed in miles per hour is the train traveling.

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Question 544326: a train wheel with a diameter of 2 feet makes 10,000 revolutions per hour. At approximately what speed in miles per hour is the train traveling.
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
a train wheel with a diameter of 2 feet makes 10,000 revolutions per hour.
At approximately what speed in miles per hour is the train traveling.
:
Find how many feet the wheel travels in one hrs. Divide that by 5280
:
%28%28pi%2A2%2A10000%29%29%2F5280 = 11.9 mph