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Author Question: Find the average density of a white dwarf star if it has a mass equal to that of the sun (2.0 1030 ... (Read 105 times)

waynest

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on: Aug 6, 2020

Question 1

Find the average density of a red giant star with a mass of 20 × 1030 kg (approximately 10 solar masses) and a radius of 150 × 109 m (equal to the Earth's distance from the sun).

◦
1.41 × 10−4 kg/m3

◦
0.007 kg/m3

◦
1.41 kg/m3

◦
710 kg/m3

◦
1.41 × 10−3 kg/m3


Question 2

Find the average density of a white dwarf star if it has a mass equal to that of the sun (2.0 × 1030 kg) and a radius equal to that of the Earth (6.4 × 106 m).

◦
9.0 × 106 kg/m3

◦
1.8 × 107 kg/m3

◦
1.8 × 109 kg/m3

◦
3.6 × 1010 kg/m3

◦
9.0 × 107 kg/m3
Physics for Scientists and Engineers ¦ Serway, Jewett ¦ 9th Edition
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Marked as best answer by waynest on Aug 6, 2020

Cnarkel

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Reply #1 on: Aug 6, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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waynest

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Reply 2 on: Aug 6, 2020
YES! Correct, THANKS for helping me on my review

Hdosisshsbshs

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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