The answer is that they are altogether different. In a colloid, there is no necessity that the scattered gold be as disengaged iotas. Colloidal gold is as nanoparticles, each having numerous iotas of gold. Note that gold is normally monoatomic, and does not tie to itself synthetically, not at all like oxygen, which ties in sets to accomplish lively soundness.
When a source of light moves away from you, you see the characteristic lines in its spectrum move toward slightly longer wavelengths. Lines in the visible part of the spectrum move toward the red end.
When a source of light moves toward you, you see the characteristic lines in its spectrum move to slightly shorter wavelengths. Lines in the visible part of the spectrum move toward the violet end.
We see these 'shifts' when we look at the spectra of stars. "Red shift" is the change in the spectrum of a star when it's moving away from us, and "Blue shift" is the change when it's moving toward us. These measurements are the only way we have of measuring the radial motion of stars, and their speeds toward or away from us.
The whole subject of why a spectrum shifts toward longer or shorter wavelengths was explained by the Austrian physicist Christian Doppler in 1842, and it's known as the "Doppler Shift" in honor of him and his work.
<span>So we want to know what happens to meteors that enter the Earth's atmosphere and experience air friction. So since most meteors that enter Earth's atmosphere are made out of ice and/or rocks, when they enter the atmosphere, they experience air friction and their temperature rises so high they either melt or burn up. So the correct answer is burns up. </span>
Answer:
102 m upwards.
Explanation:
Just from a qualitative analysis we can tell the mass it needs to go upwards. How much we determine with the fact that the increase will be - in absolute value - equal to the work gravity does on it to go down that same distance.
Fixed that work being 1 kJ, we get
