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A coil has resistance R=5 Ohms and inductance L=5 milliHenries and is powered by a generator with variable frequency and maximum voltage V = 10 Volts.
(a) What is the average power used by the coil when the generator operates at 60Hz?
The drawings show three charges that have the same magnitude but different signs. In all cases the distance d between thecharges is the same. The magnitude of the charges is|q|=8.8 μC, and the distance between them isd=6.2 mm. Determine the magnitude..
When both cars increase their speed by 7.0m/s , they then have the same kinetic energy. What were the original speeds of the two cars
Calculate approximately E at a distance of 40 m (large relative to the plate size) by assuming that the plate is a point charge.
Blood is conductive enough that it can be treated as a moving conductor. what is the magnitude of the voltage that is measured with the electrodes in the drawing
Two capacitors, C1 = 19.0 µF and C2 = 30.0 µF, are connected in series, and a 3.0 V battery is connected across them. Find the equivalent capacitance, and the energy contained in this equivalent capacitor.
A laboratory technician drops a 0.0770-kg sample of unknown material, at a temperature of 100.0°C, into a calorimeter. The calorimeter can, initially at 23.0°C, is made of 0.150 kg of copper and contains 0.200 kg of water. The final temperature of th..
Lead has a critical temperature of 7. 2 K and a critical field at 4. 2 K of 430 A/cm. (a) What is the critical field at T = 1 K? (b) At 4. 2 K, how much current can a 1-mm-diameter lead wire carry without resistance?
A person walked a 400 m with a constant speed of 1 m/s, then he increased his speed and walked another 400 m with 2 m/s, what is the average speed during his trip
High-speed photos of a 200%u03BCg flea jumping vertically show that the jump lasts 1.5ms, What average force does the ground exert on the flea during its jump
A rubber ball is dropped and bounces vertically from a horizontal concrete floor. If the ball has a speed of 2.9 m/s just before striking the floor and a speed of 2.0 m/s just after bouncing
The donor paid gift tax of $14,000 on the transfer. If Laura later sells the property for $110,000, illustrate what is her recognized gain or loss?
In an L-R-C series circuit, the rms voltage across the resistor is 28.0V , across the capacitor it is 91.0V, What is the rms voltage of the source
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