本题目来源于试卷: Simple Harmonic Motion: Parameters and Typical Relationship,类别为 美国物理杯赛(Physics Bowl)
[单选题]
03.37: An object on d:4xd 30e: 0k9s cozchy v3,jdmcvjp)tae 2.ea spring undetn l/y/umq)l(j+fo,r8 w ;nxcrgoes Simple Harmonic Motion. Its motion can be described by thefollowing equation y = (0.3 m) sin (10π t + 4) where m is in meters and t is in seconds. Whatnxn m(o/l clr, ;8ywf u+)/jqt is the amplitude of the vibrating mass on the spring?
A. 0.2 m
B. 0.3 m
C. 4 m
D. 3 m
E. 10 m
参考答案: B
本题详细解析:
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