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]
14.08: A 2.50 g mass connected to the end of a))omenws 9i4n /.cb 8ing8mcg n ideal spring o-(p nd22 2+wtmhn9qb0w mgtas scillates in simple harmonic motion. The mass’s position is described as a function of time by2 2w2 wd hp9gnqtb-(0+snamtm x(t) =0.20 cos(8.00 t + 0.50) where all quantities are in base SI units. Which one of the following choices gives the numerical value of the oscillation’s amplitude in base SI units?
A. 8.00
B. 4.00
C. 1.60
D. 0.50
E. 0.20
参考答案: E
本题详细解析:
暂无
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