a. expanding
Physics, 03.12.2019 20:31 Anonymouslizard
An observation of the red shift of galaxies suggestst that the universe is
a. expanding
b. contracting
c. reversing
d. stagnant
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The slope of a velocity time graph over any interval of time gives the during that interval
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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?
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Which of the following is a measure of the amount of light a star directly emits? a. luminosity b. intensity c. wavelength d. brightness
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Which of the following best describes the circuit shown below?
Answers: 3
An observation of the red shift of galaxies suggestst that the universe is
a. expanding
a. expanding
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