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A wheel of radius 1.9 feet is moving forward at 18fps. How fast is the wheel rotating?

Verified Answer :

antonsandiego

Since you have a radius value you can easily determine the answer 
1.9 x 2 = 3.8.
18 x 2 = 36.
I bet that the last number indicates how fast is the wheel rotating. Try it! t is really helpful!

Regards.

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