gc physics textbook chapter 6 problems (id: fb0f1a34c)

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 65.0-kg firefighter climbs aqjxi6/hf:gmr y9lffu p 8 /8+o f,0fe+ wop u+fjomkl)4 light of stairs 20.0 m high. How much work is requi pf+k+)4 fjuwo mo0el,red?    J

参考答案: 12700±2%


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