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gc physics textbook chapter 6 problems (id: ccd8d1f9b)

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admin 发表于 2024-12-1 16:01:15 | 显示全部楼层 |阅读模式
本题目来源于试卷: gc physics textbook chapter 6 problems,类别为 IB物理学

[填空题]
In a certain library the firs;wqek 1p,ve,y t shelf is 10.0 cm off thery84kvd+ qbp 0 ground, and the remaining four shelves are each spaced 30.0 cm above the previous one. If the average book has a mass of 1.5 kg with a height of 21 cm, and an average shelf holds 25 books, how much work is required to fill all the shelves, assuming the books are all laying flat on t r4k+qv0d 8ybphe floor to start? $\approx$    J




参考答案: 1500±2%


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