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An LCR circuit contains a resistor with R =4200 Ω, a capacitor withC = 6000 µF, and aninductor with L = 2.0 mH, allconnected in series. The AC source has a frequency of 75 kHz.
a) What is the impedance of the circuit?b) What phase angle does the phasor describing the voltage across the voltage source make with the current phasor?
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A handheld digital multimeter (DMM) is used to measure the portential difference accross the first resistor by placing probe leads at each end of this resistor.
A particle experiences two simultaneous harmonic motions x(t) = x1(t) + x2(t), where x1(t) = cos(3t) and x2 = cos(3.2t + pi/6). Simplify x(t) and determine the beat period
Astronomical observations of our Milky Way galaxy indicate that it has a mass of about 8 ? 1011 solar masses. What should the orbital period of that star be
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In RLC circuit, the sum of the magnitudes of the voltages across the the three components was always greater that the generator voltage. Explain why Kirchhoff's law is not violated
Two air-track gliders of equal mass are initially moving in the same direction along a straight line. What is the speed of the second glider
A wheel is freely rotating at 85.0 rev/min and has a mass of 27.5 Kg and a radius of .7 m. If the wheel can be stopped in 7 seconds by using a towel and exerting an inward force of 55.0 N, what is the coefficient of kinetic friction between the wheel..
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