本题目来源于试卷: Physics Unit11: Vibrations and Waves，类别为 国际高中通用物理
[单选题]
A 0.50-kg mass is atmy*tn 3s.k:8dooa;s/y4i ileg7hqp5;mvot87 aszr k6 s )7bwtached to a spring of spring constant 20 N/m along a horizontal, frictionlewma p ;g )bst8vokh6qs577r7 zss surface. The object oscillates in simple harmonic motion and has a speed of 1.5 m/s at the equilibrium position. At what location are the kinetic energy and the potential energy the same?
A. $0.017 \; m$
B. $0.029 \; m$
C. $0.12 \; m$
D. $0.17 \; m$
参考答案: D
本题详细解析:
暂无
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