Physics Unit5: Circular Motion & Gravitation (id: 621cb5d0b)

本题目来源于试卷: Physics Unit5: Circular Motion & Gravitation，类别为 通用国际物理

[单选题]
An object weighs 432 N on th +v05 v wh.cfa 746vfmkxns-pje s2ymijz6kh-; aurface of the Earth. The Earth has radius r. If the object is raised to a height of 3r above the Earth's surface, what is its wk ja-m yz;i62height?

A. $432 \; N$
B. $48 \; N$
C. $27 \; N$
D. $0 \; N$


参考答案:  C


本题详细解析: 暂无

微信扫一扫，分享更方便