本题目来源于试卷: Physics Unit11: Vibrations and Waves，类别为 通用国际物理
[单选题]
A 0.50-kg mass is attached to a spring of spring constant 20 N/m along a horizo8r 3 mak2zjd.l/az r:bntwgem)q;so lh14z(0 ntal, frictionless 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 m lh(14qe0ozn t ;g)swthe 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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