The pressure of an interstellar gas cloud depends on the cloud's ____________________ and ____________________
Fill in the blank(s) with correct word
temperature, density
density, temperature
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The planets move ________ through the sky, relative to the background stars.
A. west to east B. retrograde C. northeast to southwest D. east to west E. None of these choices is correct.
A heavy ball hangs by a string, with a second string attached to its bottom (Figure 1.7 in your text). A quick pull on the bottom string breaks the
A) top string. B) bottom string. C) top or bottom string equally likely. D) none of the above
Liquid crystal displays make use of __________
Fill in the blank(s) with correct word
Which of the following statements is(are) correct when an ideal gas goes from an initial to a final state in a single process?
a. No work is done on or by the gas when the volume remains constant. b. No energy is transferred into or out of the gas as heat transfer when the temperature remains constant. c. The internal energy of the gas does not change when the pressure remains constant. d. All the statements above are correct. e. Only statements (a) and (b) above are correct.