conceptional physics
posted by donnell .
If a 35cm radius tire spins at a rate of 72 rad/s what is the rotating speed?

C = pi * 2r = 3.14 * 70cm = 219.9 cm
V = 72Rad/s * 219.9cm/6.28Rad=2521cm/s =
25.21 m/s.
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