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A 31.0-mH inductor has a reactance of 2.20 k.
(a) What is the frequency of the ac current that passes through the inductor?
(b) What is the capacitance of a capacitor that has the same reactance at this frequency?
The frequency is tripled, so that the reactances of the inductor and capacitor are no longer equal. What are the new reactances of
(c) the inductor and
(d) the capacitor?
A 5.0 megawatt windmill has three 45 m-long blades that can be approximately viewed as straight rods. If the rotational speed of the rods is 6 rpm, what is the mass of each rod
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A muon is formed high in the Earth's atmosphere and travels at a speed 0.9 c with respect to the Earth. What is the value of the Lorentz gamma factor associated with the muon's motion
Indicate the negative x direction by including a negative sign in the answer, but omit a sign for the positive x direction.
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