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]
03.37: An object on a spring ungdlnjgpeg jp3fxl2 (j 7*7n4 8dergoes Sim ciywm 780cjke.vs4d:ple Harmonic Motion. Its motion can be described by thefollowing equation y = (0..7 :mdwcs8veic 4y j0k3 m) sin (10π t + 4) where m is in meters and t is in seconds. What 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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