A 25.0-mH inductor, a 2.00-?F capacitor, and a certain resistor are connected in series across an ac voltage source at 1.00 kHz. If the impedance of this circuit is 200 ?, what is the value of the resistor?
A) 579 ? B) 200 ? C) 100 ? D) 552 ? E) 184 ?
E
Physics & Space Science
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The kinetic energy of a bullet, per gram, is
A. about the same as the energy released from 1 gram of TNT B. about the same as the kinetic energy in a typical 1-gram meteor C. about the same as the energy released by 1 gram of chocolate chip cookies D. none of the above
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When was Pluto discovered?
A) about 30 years ago B) about 80 years ago C) about 200 years ago D) about 2000 years ago E) in ancient history
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The distance between two successive ‘like' points on a wave is the wave's
a. speed. b. frequency. c. wavelength. d. amplitude. e. loudness.
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