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Physics, 22.06.2019 12:00
The sunβs mass is 2.0Γ10^ 30 kg, its radius is 7.0Γ10 5 km, and it has a rotational period of approximately 28 days. if the sun should collapse into a white dwarf of radius 3.5Γ10 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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Physics, 22.06.2019 14:30
What was the first instrument to ever record an earthquake?
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What is friction? how does it affect the motion of an object?
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Physics, 22.06.2019 17:20
Which is not true of the intertropical convergence zone? a) it features heavy precipitation b) it's where the trade winds collidec) it's a high-pressure zone with sinking air d) it is also known as the doldrums
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