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gc textbook chapter 8 Rotational Motion (id: 8aee9a1cc)

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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 our Sun eventually collaps+y5v+ch :mfbr es intohz:( f)07smri hwkff30 j+v dm a white dwarf, losing about half its mass in the process, and winding up with a radius 1.0% of its existing radius. Assuming )f+hfk:vf3 m00z (id7sr mjhwthe lost mass carries away no angular momentum, what would the Sun’s new rotation rate be?(round to the nearest integer)$\approx$    $rad/s$ (Take the Sun’s current period to be about 30 days.) What would be its final KE in terms of its initial KE of today?$KE_{f}$=    $KE_{i}$




参考答案:
空格1: 0.05±2%空格2: 20000±2%


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