SOLUTION: The wheel was rolling along at 400 radians per minute. What was its linear velocity in miles per hour if the radius was 20 meters? --- I am not 100% sure how I would begin to sol

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Question 1030165: The wheel was rolling along at 400 radians per minute. What was its linear velocity in miles per hour if the radius was 20 meters?
--- I am not 100% sure how I would begin to solve this problem, much less complete it. Any help solving would be great, thanks!

Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
Use the arc length formula: s+=+r%2Atheta
==> s+=+20%2Atheta ==> ds%2Fdt+=+20%2A%28d%28theta%29%2Fdt%29
==> ds%2Fdt+=+20%2A400+=+8000 m/min
This is equal to 4.8 x 10%5E5 mph.