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anonymous
 4 years ago
A wheel of radius 1.9 feet is moving forward at 18fps. How fast is the wheel rotating?
What equation(s) do I use to solve this problem?
anonymous
 4 years ago
A wheel of radius 1.9 feet is moving forward at 18fps. How fast is the wheel rotating? What equation(s) do I use to solve this problem?

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RagingSquirrel
 4 years ago
Best ResponseYou've already chosen the best response.1Radius is half the diameter. 1.9 times 2 is 3.8. 18 times 2 is 36. I believe your answer is 36.

dumbcow
 4 years ago
Best ResponseYou've already chosen the best response.0you need the formula for circumference of a circle C = 2*pi*r, that is the distance it travels in 1 revolution to get revolutions per second, multiply speed(fps) by 1/C > rps = speed/C

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0The answer needs to be in radians/sec

dumbcow
 4 years ago
Best ResponseYou've already chosen the best response.0well there are 2pi radians in 1 revolution multiply by 2pi > radians/sec = speed/r
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