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 mass is attached to a spr9w,4whmn l cc8ing of spring const-:lm2 p rwoj6s r/eq6k4g+dbr/fw1bvant 60 N/m along a horizontal, frictionless surface. The spring is initially stretched by a force of 5.0 qj/ rsf6:v o4b2+g 1/ lw6werrm -kdbpN on the mass and let go. It takes the mass 0.50 s to go back to its equilibrium position when it is oscillating. What is the amplitude?
A. $0.030 \; m$
B. $0.083 \; m$
C. $0.30 \; m$
D. $0.83 \; m$
参考答案: B
本题详细解析:
暂无
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