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Two solenoids are part of the spark coil of an automobile. When the current in one solenoid falls from6.8 A to zero in 2.5 ms, an emf of24 kV is induced in the previous solenoid. What is the mutual inductance M of the solenoids?
An audio amplifier, represented by the AC source and the resistor R, delivers alternating voltages at audio frequencies to the speaker. what is the average power input into the speaker
A 2150 kg satellite is in a circular orbit 780 km (780 x 103 m) above the surface of the earth. What is the gravitational force on the satellite due to the earth? What is the speed of the satellite in its orbit? What is the period of the orbit?
In an L-R-C series circuit, the resistance is 360 ohms, the inductance is 0.360 henrys, and the capacitance is 1.20×10?2 microfarads. What is the resonance angular frequency ?0 of the circuit? (answer should be in rad/s)
As you travel every day to campus, the road makes a large turn thatis approximately an arc of a circle. What is the maximum safe speed forthe turn when the road is wet
A chemist must dilute of M aqueous silver nitrate solution until the concentration falls to M . He'll do this by adding distilled water to the solution until it reaches a certain final volume
A worker drags a 150lb. crate across the floor by pulling on a rope inclined at 17degrees above the horizontal. What tension in the rope is required to start the block moving
Electrons on a radio broadcasting tower are forced to oscillate up and down the tower 535,000 times each second. What is the wavelength of the radio waves that are produced?
q1. an ocean liner leaves new york city and travels 37.0deg north of east for 171 km. how far east and how far north
A square with sides of length L has a point charge at each of its four corners. Two corners that are diagonally opposite have charges equal to +2.11 µC; the other two diagonal corners have charges Q. Find the magnitude and sign of the charges Q such ..
Aluminum has a density of 2.70 g/cm3. We would like to make aluminum foil that is 96 micrometer thick, how many meters long of an aluminum foil can we make
Consider an infinite straight wire with a current i. Derive asymbolic expression for the magnetic field at a distance r from thewire, by using either Ampere's law, Biot and Savart law, to showthat this magnetic field is given by B(r)=u0i/2pir
Explain some of the many advantages that Fiber Optic Cable has over other media (e.g. conductive wires) in the transport of information.
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