An LRC ac series circuit with R = 15 ?, L = 25 mH, and C = 30 ?F, is attached to a 100-V (rms) ac power supply. The frequency of the power supply is adjusted so that the circuit is in resonance
(a) What is the rms current in the circuit?
(b) What is the power dissipated by the circuit?
(a) 6.7 A (b) 670 W
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What do we mean when we say that the Sun is in energy balance?
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Where did the asteroid that is believed responsible for the extinction of the dinosaurs hit the surface of the Earth?
A) in Siberia in Russia B) in the desert in Arizona C) in the middle of the Pacific Ocean D) in the Yucatan peninsula in Mexico
An acceleration is evidence of ______________
Fill in the blank(s) with correct word