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 a spring undewc5n uttact;p(i+g3 ca f8 p2rv:w3/argoes Simple Harmonic Motion. Its motion can beat5ac8pcw f2 +ug tr/t :vnaw 3ci(p3; /wrp9gq;gm*2 y 9dhrz described by thefollowing equation y = (0.3 m) sin (10π t + 4) where m is in meters and t*g9 gz9pwqmy r;dh/2r 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:
暂无
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