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Marta_Voda [28]
3 years ago
12

X-ray waves are low energy waves. True or False

Physics
1 answer:
Marat540 [252]3 years ago
7 0

Depends on your personal frame of reference.

Compared to gamma rays -- True

Compared to radio waves -- False

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A force of 100N was necessary to lift a rock. A total of 150J of work was done. How far was the rock lifted?
Gwar [14]

Answer:

A total of 150 joules of work was done

Explanation:

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The density of atmosphere (measured in kilograms/meter3) on a certain planet is found to decrease as altitude increases (as meas
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Answer:

B.  inverse plot, 0.51 kilograms/meter3

Explanation:

First of all, we note that the relationship between the altitude and the atmospheric density is an inverse relationship. In fact, an inverse relationship is a relationship between the x-variable and the y-variable of the form

y \propto \frac{1}{x}

Therefore, as the x increases, the y decreases, and as the x decreases, they increases. This is exactly what occurs with the altitude and the atmospheric density in this plot: as the altitude increases, the density decreases, and vice-versa.

Moreover, we can infer the value of the atmospheric density at an altitude of 1,291 km. This point is located between point A (2550 km) and point B(1000 km), so the density must have a value between 0.30 kg/m^3 and 0.54 kg/m^3, so the correct choice is

B.  inverse plot, 0.51 kilograms/meter3


5 0
3 years ago
According to einstein's theory of simple relativity (_E + mc(2)_). BLANK is converted into BLANK.
True [87]

Answer:

energy is converted into mass

Explanation:

8 0
3 years ago
How does an atom of potassium-41 become a potassium ion with a +1 charge? 19 K 39.10
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It is very difficult for an atom to accept a proton. It can only be done under very special circumstances. So A and C are both incorrect. I don't see how D is possible. The atom does lose 1 electron, but how it gets 21 is think air.

The answer is B which is exactly what happens.

5 0
3 years ago
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How might the changes in tide affect a fishing community?
artcher [175]

Answer:

THEY WOULD FIND DED FISH:)))))

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