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 mass is attached tr36c2mi h5-r/f wzlsf o a spring of spring constant 60 N/m along a horizo x*c,r9b-i5 -j 8d ,3gsqnntdot 2vsqintal, frictionless surfaq xji3tbr*9,, 2 gso-vsq 8ni5-n tdcdce. The spring is initially stretched by a force of 5.0 N 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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