Answers

2014-07-25T19:48:33+05:30
Velocity=47mph
Let Distance= x
2 \pi r=x
radius=x/2 \pi

If the distance is given u can simplify more by substituting x with the given distance.
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2014-07-25T20:34:45+05:30
 Given Velocity=47mph
Let Distance= z
2r=z
rad=x/2. Now you can get the given velocity. (:

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