本题目来源于试卷: 2011 美国F=ma物理竞赛 F=ma physics competition，类别为 美国物理杯赛(Physics Bowl)
[单选题]
A spring has an equilibriugjtd93lzfr-f ;f0hi; m length of 2n-r.ttsnl4 zj05 q n0p.0 meters and a spring constant of 10 newtons/meter. Alice is pulling on one end of the spring with a force of 3.0 newtons. Bob is pulling on the opposite end of the spring with a force of 3.0 newtons, in the opposite direct tqz.nrnj 0spln0-4 5tion. What is the resulting length of the spring?
A. $1.7 \mathrm{~m}$
B. $2.0 \mathrm{~m}$
C. $2.3 \mathrm{~m}$
D. $2.6 \mathrm{~m}$
E. $8.0 \mathrm{~m}$
参考答案: A
本题详细解析:
暂无
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