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1) In an LRC circuit, why does the sum of the voltages around the circuit not equal the applied voltage as Kirchhoff's rule requires?
2) Using L = 20 mH, C = 50 μF and R = 15 ohms, calculate the resonant frequency of the series LRC circuit.
3) Use the values from question 2 and an applied voltage of 3.0 volts across the circuit, plot (on a separate sheet) the voltage across the resister as a function of frequency from 40 Hz to 240 Hz.
A Metro train is moving toward the station at a speed of 25 m/s. Calculate the frequency detected by a person standing still at the station
Light is incident on a slit 0.750 mm wide. On a screen 2.00 m away, the distance from the central maximum to the first minimum is 1.35 mm. compute the wavelength of the light.
A uniform cylinder of radius 10 cm and mass 13 kg is mounted so asto rotate freely about a horizontal axis that is parallel to and3.2 cm from the central longitudinal axis of the cylinder.(a) What is the rotational inertia of the cylinder about th..
A mass at the end of a spring is at distance x = +2.18 cm from the equilibrium position moving with velocity v = - 20.2 cm/s. Find the amplitude of the motion in cm
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The masses of the Pluto and Charon are 1.31×10^22 kg and 1.52×10^21 kg, respectively, Where is the center mass of this system located
Ted is sitting in his lawn chair when Stella flies directly overhead, going southeast at 100 m/s. find the coordinates of the explosion in Stella's reference frame
A capacitor has parallel plates of area 12cm^2separated by 2.5 mm. The space between the plates is filled with polystyrene (K=2.6,Em=2.0*10^7 V/m). Find the permittivity of polystyrene
A violinist is tuning her instrument to concert A (440Hz). Now, when she tightens her violin strings slightly she hears 4.00 beats per second. What was the frequency of her violin
An empty storage tank has a volume of 144 ft3. What is the buoyant force exerted on it by the air
The crew of a rocket that is moving away from the earth launches an escape pod, Determine the length of the escape pod as determined by an observer on earth
A person is losing thermal energy through the skin at a rate of 120 W when his skin temperature is 30°C. find At what rate is he now losing thermal energy
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