Physics, 01.10.2019 00:00 alexishenning
Every year, proxima centauri, the closest star to the sun, is observed to move 1.5 arcseconds with respect to the background stars for six months, followed by a return to its original position over the course of the next six months. how far away is proxima centauri? [diameter of earth's orbit = 2 au (astronomical units)]?
Answers: 3
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While listening to operatic solos, musicians process the lyrics and the tunes in separate brain areas. this most clearly illustrates the functioning of different
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What is the momentum of a 2 kg object moving at 15 meters per second
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The precision of a laboratory instrument is ± 0.05 g. the accepted value for your measurement is 7.92 g. which measurements are in the accepted range? check all that apply. 7.85 g 7.89 g 7.91 g 7.97 g 7.99 g
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The sun’s mass is 2.0×10^ 30 kg, its radius is 7.0×10 5 km, and it has a rotational period of approximately 28 days. if the sun should collapse into a white dwarf of radius 3.5×10 3 km, what would its period be if no mass were ejected and a sphere of uniform density can model the sun both before and after?
Answers: 3
Every year, proxima centauri, the closest star to the sun, is observed to move 1.5 arcseconds with r...
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