ASTR 1101 : Key Astronomy Test 2 Class Questions
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Resistence: assume the masses on the ends are fixed. Using newton"s 2nd law, in which of the pairs would the asteroid on the left accelerate the fastest toward the right? (figure 4: the earth is about 80 times more massive than the moon. The dark spots located on this image are sunspots. Which kind of spectrum will you see: dark line absorption spectrum, imagine that an astronaut in space, floating high above the earth"s atmosphere, is holding on to an incandescent light bulb. If you could observe that light bulb from. On the right you have two pieces of wire. Each wire is 1 cm long and each piece has been heated up to 3000 k, just like the one on the left. Which setup will look brighter to you, the single wire on the left, or the pair of wires on the right: the right will be brighter, you have two metal wires that are hot.
