Answer:
A
Explanation:
Let's rule out some of the options. C makes no sense because static charges will create electric fields only, so the charge has to move. D makes no sense because monopoles do not exist. We can rule out B because when a charge is moving at a constant velocity. You can use Maxwell's equations and general relativity to figure out that at a constant velocity, you can't produce an electromagnetic wave because there is no magnetic field. Therefore the answer is A. When you have an oscillating or accelerating electric charge, you will produce an EM wave.
Frequency - number of waves (vibrations, revolutions, of cycles) that pass a given point per unit time.
the correct answer should be A
hope this helps :)
Planets are the largest among the list. Take Jupiter or Saturn for example.
Answer:
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D is the answer
To get the density you divide mass by volume
So the equation is 400/60=d
