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gc physics textbook chapter 6 problems (id: c4440f61d)

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admin 发表于 2024-11-28 22:41:04 | 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]
A 1.60-m tall person lifts a 2.10-kg book from the ground so fv(w t2m-2plebelq7. y gf **;gz/srcit is dkszq,y/2r (x2.20 m above the ground. What is the potential energy of the book r,zdy/rxs2q k(elative to
(a) the ground,    J
(b) the top of the person’s head?    J
(c) How is the work done by the person related to the answers in parts (a) and (b)?    J




参考答案:
空格1: 45.3±2%空格2: 12±2%空格3: 45.3±2%


本题详细解析:

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