Physics Unit6: Work and Energy (id: 62bfa2850)

本题目来源于试卷: Physics Unit6: Work and Energy，类别为 通用国际物理

[单选题]
A container of waterz8zn0g 3w:ipn is lifted vertically 3.0 m th59c /omam ;fq*4ydfbgen returned to its original pos9bagf*45m q;my/c fdoition. If the total weight is 30 N, how much work was done?

A. $45 \; J$
B. $90 \; J$
C. $180 \; J$
D. No work was done.


参考答案:  D


本题详细解析: 暂无

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