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February 27, 2015

February 27, 2015

Posted by **kelly** on Thursday, March 3, 2011 at 8:48am.

Note: Wheels spin independently with equal rotation speeds

-Diameter of Wheel A: 24

-Diameter of Wheel B: 12

- physics -
**drwls**, Thursday, March 3, 2011 at 9:33am9 rev/sec = 18 pi radians/sec. That is called tha angular speed, and usually has a symbol omega. Here, we often use w.

You need to provide a dimension along with the "diameter" number.

Multiply half the diameter (the radius) by the angular speed in radians per second to get the tangential speed.

Tangential speed = w*R

- physics -
**kelly**, Thursday, March 3, 2011 at 9:59amok, i tried that and it's still giving me the wrong answer.

On one of the hints it says path/time. I'm so lost, haha

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