Simple Harmonic Motion: Parameters and Typical Relationship (id: 66b467798)

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]
12.17: A mass moves according s jus 8 m kyhx:98q*:mi-xuit+to the gj m25+7 t80zpywrk lzrraph of position as a function of time shown rz 0+ wt7zy8rmlk25pjbelow.
Which one of the following choices correctly represents the time instants or time interval for which the instantaneous velocity of the mass is considered always to be negative? Lettrepresent time.

A. $t = 0.0 s, t = 5.0 s, and t = 10.0 s$
B. $0.0 s < t < 2.5 s$
C. $ 2.5 s < t < 7.5 s$
D. $5.0 s < t < 10.0 s$
E. $2.5 s < t < 10.0 s$


参考答案:  C


本题详细解析: 暂无

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