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When an RLC series circuit is connected to a 120 V rms, 48 Hz line, the rms current in the circuit is 9.10 A and the current leads the line voltage by 45°.
(a) Find the average power supplied to the circuit.
(b) What is the resistance in the circuit?
(c) If the inductance in the circuit is 52 mH, find the capacitance in the circuit.
(d) Without changing the inductance, by how much should you change the capacitance to make the power factor equal to 1?
(e) Without changing the capacitance, by how much should you change the inductance to make the power factor equal to 1?
Coherent light that contains two wavelengths, 660 nm and 470 nm, passes by two narrow slits with a separation of 0.280 mm and an interference pattern is observed on a screen which is a distance 4.40 m from the slits.
How much greater is an angular momentum of the Earth orbiting about the sun than the moon orbiting about the Earth? (Set up a ratio of angular momenta using data on inside back cover. The period of the moon is about 27.3 days.)
A container of volume V is divided by partitions into three parts containing one kilomole of helium gas, Calculate the kilomole fraction
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A child playing in a swimming pool realizes that it is easy to push a small inflated ball under the surface of the water while a large ball requires a lot of force
A sprinter of mass 63.7 kg runs at a constant speed of 10.8 m/s in a straight line. Find the extra force the sprinter must exert on the ground
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Consider the conical pendulum with an 80.0 kg bob on a 10.0 m wire making an angle of 5.00 with the vertical as shown. Determine (a) horizontal and vertical components of the force exerted by the wire on the pendulum and (b) radial acceleration of th..
find the potential difference across the capacitor. A conductor consists of a circular loop of radius R and two straight, long sections. The wire lies in the plane of the paper and carries a current I.
The wingspan (tip-to-tip) of a Boeing 747 jetliner is 59 m. The plane is flying horizontally at a speed of 300 m/s. Find the emf induced between the wing tips
Determine the maximum charge per area that can be stored on a parallel plate capacitor if the region between the plates is filled with silicon oil
Red light of wavelength 670.0 nm produces photoelectrons from a certain photoemissive material. What is the material's work function
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