Appendix j lists the stars that appear brightest in our sky. are most of these hotter or cooler than the sun? can you suggest a reason for the difference between this answer and the answer to the previous question? (hint: look at the luminosities.) is there any tendency for a correlation between temperature and luminosity? are there exceptions to the correlation?
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Physics, 23.06.2019 00:00
You can melt ice by applying pressure because the solid/liquid line has a slope.
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Physics, 23.06.2019 02:00
Elements on the periodic table are ordered according to their
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Physics, 23.06.2019 02:30
Atrain is traveling at 30.0 m/s relative to the ground in still air. the frequency of the note emitted by the train whistle is 262 hz. the speed of sound in air should be taken as 344 m/s. what frequency (f approach) is heard by a passenger on a train moving at a speed of 18.0 m/s relative to the ground in a direction opposite to the first train and approaching it? what frequency (f recede) is heard by a passenger on a train moving at a speed of 18.0 m/s relative to the ground in a direction opposite to the first train and receding from it?
Answers: 1
Physics, 23.06.2019 12:00
Increased ozone in the lower atmosphere near the ground results primarily from
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Appendix j lists the stars that appear brightest in our sky. are most of these hotter or cooler than...
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