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Vera_Pavlovna [14]
2 years ago
8

What causes a seismic wave?

Physics
2 answers:
sattari [20]2 years ago
8 0
Very loud sound waves from the atmosphere entering the ground
ss7ja [257]2 years ago
4 0
The answer is B-very loud sound waves from the atmosphere entering the ground.
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Imagine how mercury might be different if it had the same mass as earth. Explain.
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3 years ago
You are observing the radiation from a distant active galaxy and you notice that the amplitude of the signal varies in strength
GREYUIT [131]

Answer:

Period of the signal.

Explanation:

So, this question is all about a concept in physics or astronomy which is called or known as Radiation Astronomy and Galactic Nuclei that are active. This concept talks most about Quasars; a powerful radiating object which derives its power from black holes.

When You take a look at Quasars, we get the to know that the more you think you can see, the more they move away from us.

Thus, when "You are observing the radiation from a distant active galaxy and you notice that the amplitude of the signal varies in strength regularly over a certain period. The maximum possible size for the source of this radiation can now be calculated from the "PERIOD OF THE SIGNAL.

NB: not the amplitude but the period.

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6 0
3 years ago
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G to ml,density=3.291 g/ml
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=)
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3 years ago
Yellow-green light has a wavelength of 560 nm. What is its frequency?
Natasha2012 [34]
5.4 x 1014Hz
wavelength x frequency = the speed of light
7 0
2 years ago
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