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# Galilean transformation and electromagnetic waves

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If electromagnetic wave equation for vacuum is where W is either magnetic B or electric E field vector, show that by using Galilean transformation wave equation will be changed to which has completely different form than given wave equation. Hence, Galilean transformation violates the first relativity postulate that all physics laws have the same form in all inertial reference frames.
Repeat the analysis but use Lorentz coordinate transformation, and show that in this case wave equation has the same form
(Hint: Use the chain rule to express derivatives and in terms of and )

#### Solution Preview

5.8 Solve by factoring and using the principe of zero products. Remember to check

2
45. 6x - 4x = 10

2
47. 12y - 5y = 2

5.9

1. The screen of the t1-84 Plus graphing calculator is nearly rectangle. The length of the
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#### Solution Summary

The solution performs an analysis on Galilean transformations and Lorentz coordinate transformations based on electromagnetic waves.

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