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## Homework Statement

A cyclist is traveling at a speed of 30km/hr. If the diameter of the bike wheel is 0.70 meter, what is the angular velocity of the wheels in rad/sec?

## Homework Equations

## The Attempt at a Solution

Hi, I have racked my brain trying ot work this out, I know the answer is 23.7 rad/sec

(but I don't know hoe to get there ;-(!!

All I could come up with is 0.83m/s=speed and r=0.07m