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All of the electrical outlets in a room are connected in asingle parallel circuit. The circuit is equipped with a 20-A fuse,and the voltage is 120 V.
A. What is the maxium power that can be supplied by the outlets without blowing the fuse?B. How many 1,200 W appliances can be plugged into the sockets without blowing the fuse?
In an R-L-C series circuit the magnitude of the phase angle is 52.9? with the source voltage lagging the current. The reactance of the capacitor is 360? , Find the reactance of the inductor
A star of mass 1.85×1031 kg and diameter 8.20E+9 m rotates with a period of 27.0 days. what is the new diameter of the star
A typical ten-pound car wheel has a moment of inertia of about. calculate the rotational kinetic energy K of the rotating wheel
Two forces act on a 1.6 kg box. One of the forces is known to be Fvec = 4.7ihatbold N. The acceleration is measured to be avec = (-1.9 ihatbold - 2.8 jhatbold) m/s2. Find the second force in unit-vector notation
An air conditioner is used to keep the interior of a house at a temperature of 20 C while the outside temperature is 35 C. If heat leaks into the house at the rate of 12 kW, and the air conditioner has the efficiency of a Carnot engine, what is the m..
A capacitor is connected across the terminals of an ac generator that has a frenquency of 430 Hz and supplies a voltage of 28 V. Find the capacitance of the second capacitor
two blocks each of mass 3.05 Kg are fastened to teh top of an elevator. A if the elevator has an upward acceleration a = 1.60 m/s^2, What is the maximum acceleration can the elevator have before the upper string breaks
Stars spend their time on the main sequence converting hydrogen into helium. There are two sets of reactions that can take place within a star, supporting the fusion process. Describe the two reaction chains or cycles used for hydrogen fusion and wha..
Two poles, one of which is 5 times as strong as the other, exert on each other a force equal to 0.8x10^-3 kgf, Find the strength of each pole
An optical disk drive in your computer can spin a disk up to 10,000 rpm (about 1045 rad / s). what is the magnitude of the average angular acceleration of the disk
The electrical power output of a large nuclear reactor facility is 890 MW. It has a 34.0% efficiency in converting nuclear power to electrical. What is the nuclear power output in megawatts
A 4 µF capacitor is charged to a potential di?erence of 14 V. What is the capacitance of the second capacitor
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