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Physics, 23.06.2019 00:10, looloo273
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?
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Physics, 23.06.2019 01:00, asilverman
Are formed where bumps from two surfaces come into contact ?
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Physics, 23.06.2019 03:50, ginger87771
Acar driving 22.7 m/s on flat ground drives off a 42.3 m high cliff. how much time does it take to reach the ground?
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Why will renewable technologies become cheaper, according to economists?...
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Social Studies, 28.07.2019 17:30
Social Studies, 28.07.2019 17:30
Social Studies, 28.07.2019 17:30