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(from Roger Ordidge, with alterations) The magnetic field can store energy, but it can do no work. Therefore, another agency must be responsible for doing the work that puts the energy into the magnetic field. In order for the energy in the field to be reduced to zero, work must be done. Explain where the energy goes when the B field collapses. What possible agency or agencies might be doing the work? Discuss this phenomenon in terms of Maxwell's equations.
Three applied forces, F1= 20.0 N, F2= 40.0 N and F3= 10.0 N act on an object with a mass of 2.00 kg which can move along an inclined plane. What is the amount of work done by the gravitational force as the object moves up the inclined plane
A 22.0 F capacitor is charged by a 155.0 V power supply, then disconnected from the power and connected in series with a 0.220-mH inductor. Calculate the oscillation frequency of the circuit
Sinusoidal waves 5.00 cm in amplitude are to be transmitted along a string that has a linear mass density of 4.00 multiplied by 10-2 kg/m. find the highest frequency at which the source can operate
Air streams horizontally past a small airplane's wings such that the speed is 62.0 m/s over the top surface and 52.0 m/s past the bottom surface. What is the direction of the net vertical force on the airplane
A ball is thrown straight up from a height of 1.56m above the ground and reaches a maximum height of 8.35m before falling to the ground. What the calls total time in the air
suppose that the springs have somehow not yet compressed to their maximum amount. How much are the springs compressed.
A thin nonconducting spherical shell of radius 6 cm carries a uniform surface charge density ? = 9 nC/m2. What is the total charge on the shell
An AC adapter for a telephone answering machine uses a transformer to reduce the line voltage of 120 V to a voltage of 5.00 V. The RMS current delivered to the answering machine is 400 mA. If the primary (input) coil of the transformer has 600 tur..
What is the smallest quantum of energy that can be absorbed by the molecule in a rotational excitation? What is the smallest quantum of energy that can be absorbed in a vibration excitation? In what regions of electromagnetic spectrum do the transiti..
You have a resistor of resistance 230ohm , an inductor of inductance 0.410H , a capacitor of capacitance 5.80 microF, What is the voltage amplitudes acros the capacitor
De Broglie postulated that the relationship ? = h/p is valid for relativistic particles. What is the de Broglie wavelength for a (relativistic) electron
If a 25-gram bullet with a speed of 330 m/s travels 15 cm into a tree before stopping, what's the average force exerted to stop the bullet
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