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gc textbook chapter 7 Linear Momentum (id: d60827377)

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admin 发表于 2024-12-12 10:29:03 | 显示全部楼层 |阅读模式
本题目来源于试卷: gc textbook chapter 7 Linear Momentum,类别为 通用国际物理

[填空题]
A 3800-kg open railrh3ktvh2w0x.uqilo z 3h /jwuj3 71pf.oad car coaze:g(q2 s7 j*gdpizy ;sts along with a constant speed of 8.6m/s on a level track. Snow begins to fall ejgsipy(7 gzd2 *q:z;vertically and fills the car at a rate of 3.5kg/min Ignoring friction with the tracks, what is the speed of the car after 90.0 min?$\approx$    m/s




参考答案: 7.9±2%


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