Which of the following represents an upside-down image?
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Answers: 2
Physics, 22.06.2019 12:00
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
Physics, 22.06.2019 13:50
Observations show that interstellar clouds can have almost any shape and
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Physics, 22.06.2019 15:10
What does si stand for,when referring to a system of measurement
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Physics, 22.06.2019 17:00
If you put a helium-filled balloon in the refrigerator, what will happen?
Answers: 1
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