PHYSICS HELP!!!! magnetic moment?

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vlin

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can someone help me with this question? It's due soon!

a circular loop of radius r=3cm has a total charge q=3.5μC uniformly distributed around its circumference. the loop rotates about its axis with angular velocity ω=6.3*10^4 rad/s. what is the magnetic moment of the loop

μ=_______Am2
 
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