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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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How much energy must a refrigerator absorb from 225 g of water so that the temperature of the water will drop from 35Β°c to 5Β°c
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Intensity of an earthquake is gennerally hingher near the...
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