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gc textbook chapter 8 Rotational Motion (id: c2fee3f0d)

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Post time 2025-2-18 20:00:22 | Show all posts |Read mode
本题目来源于试卷: gc textbook chapter 8 Rotational Motion,类别为 unclassified

[填空题]
Suppose a star the size hjbt*fse6 :9md7*9/ uh yaiw)t:ojqtof our Su7 szl20plvrr1n, but with mass 8.0 times as great, were rotating at a speed of 1.0 revolution every 12 days. If it were to undergo gravitational collapse to a neutron star of radius 11 km, losing three-quarters of its mass in the process, what would its rotation speed be? Assume that the star is a uniform sphere at all times, and that the lost mass carries 2r7lz 0vs1plroff no angular momentum.    $\times10^{9 }$ $rev/day$




参考答案: 1.334±2%


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