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 toow*6z(dy fg(o*juh :.n*s fa/8qmqmf a spring of spring constant 20 N/m along a horiz .+1rpl.4m-a5/l +i zatif7lk)bcb mry zk1mfontal, frictionless surface. The object oscillates in simple harmonic motion and has a speed of 1.5 m/s at tprif- t75a..ly c4 f+ mrk m1mk+blz)z1abli/he 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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