Molecular clouds are much warmer than typical interstellar gas clouds
Indicate whether the statement is true or false
FALSE
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If an all electric house uses 2400 kWh in a month, what will the amount of the bill for electricity be at a rate of 9.5 cents per kWh?
A) $23 B) $2280 C) $228 D) $25,300 E) $11.50
If y = 0.02 sin (30x? 400t) (SI units), the wavelength of the wave is
A. ?/15 m. B. 15/? m. C. 60? m. D. 4.2 m. E. 30 m.
Which was NOT a Voyager discovery about the rings of Saturn?
A) They are made of tens of thousands of narrow ringlets. B) The F ring particles are herded by two shepherd moons. C) They have dark spokes that defy gravity. D) There are hundreds of smaller moons imbedded in them, creating the gaps. E) The E ring may have been made by volcanic eruptions from Enceladus.
A rotating diatomic molecule in its l = 1 quantum state has energy E. What is the energy of the same molecule in its l = 2 quantum state?
A) 3E B) 6E C) 2E D) 8E E) 4E