gc physics textbook chapter 6 problems (id: 15b796014)

本题目来源于试卷: gc physics textbook chapter 6 problems，类别为 IB物理学

[填空题]
Eight books, each 4.3 cq ma +k;ov s;8wlh)h,hsah 5a;m thick with mass 1.7 kg, qu s d.vi agm.12dzd6 qm:r4b(lie flat on a table. How much work is required to stab (uqz1a r.v 4md:s m2i.6gddqck them one on top of another?    J

参考答案: 20±2%


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