A point is rotating with uniform circular motion on a circle

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swimmer3

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A point is rotating with uniform circular motion on a circle of radius r. Find v if r=2ft and the point rotates at 20 rpm.

I don't know what to do with this problem?
 
Re: trig

swimmer3 said:
A point is rotating with uniform circular motion on a circle of radius r. Find v if r=2ft and the point rotates at 20 rpm.

I don't know what to do with this problem?
Click to expand...


How can you write linear speed as a function of angular speed and radius (of curvature)?
 
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