本题目来源于试卷: Parameters and Typical Relationship，类别为 美国物理杯赛(Physics Bowl)
[单选题]
03.38: An object on a spring undergoes o-z 8elzoq, i4xyp6 a/Sim0:e**jdy 8 w grsg(ijcple Harmonic Motion. Its motion can be described by thefollowing equation y = (0csi: 0*(rwe*gy gj 8dj.3 m) sin (10π t + 4) where m is in meters and t is in seconds. What is the period of vibration of the mass on the spring?
A. 0.2 s
B. 0.3 s
C. 4 s
D. 3 s
E. 10 s
参考答案: A
本题详细解析:
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