Aparallel plate capacitor is made with a separation betweentheplates of 6.3ร10โ7m and the gap is filled with a dielectric with ํ =9.6. the capacitor is then connected to a battery with an emf of 400 v, andthe capacitorstores 120 j of energy in the electric field. what is the area of the capacitor plates? a.9.4ร10-3m2b.9.0ร10-2m2c.5.6ร100m2 d.1.1ร101m2e.1.1ร102m2
Answers: 3
Physics, 22.06.2019 11:30
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Two balls, each with a mass of 0.5 kg, collide on a pool table. is the law of conservation of momentum satisfied in the collision? explain why or why not
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Aheavy piece of hanging sculpture is suspended by a90-cm-long, 5.0 g steel wire. when the wind blows hard, the wire hums at its fundamental frequency of 80hz. what is the mass of the sculpture?
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An electromagnetic wave with frequency 65.0 hz travels in aninsulating magnetic material that has dielectric constant 3.64 andrelative permeability 5.18 at this frequency. the electric fieldhas amplitude 7.20 \times 10^{ - 3} {\rm v}/{\rm m}. a. what is the speed of propagation of the wave? b.what is the wavelength of the wave? c.what is the amplitude of the magnetic field? d.what is the intensity of the wave?
Answers: 3
Aparallel plate capacitor is made with a separation betweentheplates of 6.3ร10โ7m and the gap is fil...
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