A carbon nanotube is a single sheet of ______________rolled into a tube.
Fill in the blank(s) with the appropriate word(s).
graphite
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What is the ecliptic?
A. the extension of Earth's path on the celestial sphere B. the line of the solar and lunar eclipses on the celestial sphere C. the elliptical shape of Earth's orbit around the Sun D. All of these choices are correct.
Brown dwarfs, white dwarfs, and neutrons stars are all kept from collapsing by degeneracy pressure
Indicate whether the statement is true or false
The fact that a particle cannot be precisely localized is the
a. photoelectric effect b. uncertainty principle c. principle of a hologram d. principle of a laser e. reason why photons are emitted
If you do an experiment on earth, and then do an identical experiment in a jet plane moving uniformly at a high speed, you get identical results from both experiments. This is an example of
a. time dilation b. length contraction c. the equivalence of mass and energy d. the principle of relativity e. none of the above