Physics Unit6: Work and Energy (id: 00bebc5be)

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 cyclist does work at the rate ofkly * zsy;g:f1 500 ,+s 9ilmhly:i W while riding. How much force does her foot pls+ iy9lim,h: ush with when she is traveling at 8.0 m/s?

A. $31 \; N$
B. $63 \; N$
C. $80 \; N$
D. $4000 \; N$


参考答案:  B


本题详细解析: 暂无

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