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new new new new (id: 2616d2c05)

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admin 发表于 2024-10-30 17:05:18 | 显示全部楼层 |阅读模式
本题目来源于试卷: new new new new,类别为 IB物理学

[填空题]
Two equal-mass stars maintain a : dg dbz3sm0+sconstant distanc * psmx/2 27uq-i5bxyo8a v: zzpelkj2e apart of 8.0 $\times 10^{10} \mathrm{~m} $ and rotate about a point midway between them at a rate of one revolution every 12.6 yr . (a) Why don't the two stars crash into one another due to the gravitational force between them?
(b) What must be the mass of each star?    $\times 10^{26}$




参考答案: 9.6±2%


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