Physics, 18.03.2021 02:30 cjhenson02
Think about the moon revolving around the earth. This is circular motion. Gravity provides the centripetal force that causes the moon's circular round the earth. The moon is accelerating towards the earth, but never gets any closer to the earth. Why?
Answers: 2
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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
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What are the dimensions of the cross section that passes through the points a, f, g, and d?
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Physics, 22.06.2019 21:10
Select the best definition for wavelength. the height of an oscillating electromagnetic wave the rate at which electromagnetic waves oscillate. the distance between two crests of an electromagnetic wave. the oscillations of electric and magnetic fields select the best definition for frequency. the oscillations of electric and magnetic fields. the height of an oscillating electromagnetic wave. the distance between two crests of an electromagnetic wave. the rate at which electromagnetic waves oscillate
Answers: 1
Think about the moon revolving around the earth. This is circular motion. Gravity provides the centr...
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