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Why is it important always to use horizontal bars in unit fractions when performing unit conversions?
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You've already seen the value of 9.8 in this lesson. what's this value called? what quantity does it represent?
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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
What is the magnitude of the vertical component of the velocity of the plane in item 1?...
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