Parameters and Typical Relationship (id: 2c161e165)

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]
94.05: Amass m; attache oy3xgj,wz( j 1uh )x./wxcsk(l 7iu m;y9h; s3.7eq fowzt4ucd to a horizontal massless spring with spring constant k; is set into simple harmonic motion. Its maximum displacement from its equ9 ;;lz u.7ciymw7s ftoe34huqilibrium position is A. What is the mass’s speed as it passes through its equilibrium position?

A. 0
B. $A\frac{\sqrt{k}}{m}$
C. $A\sqrt{\frac{m}{k}}$
D. $\frac{1}{A}\sqrt{\frac{k}{m}}$
E. $\frac{1}{A}\sqrt{\frac{m}{k}}$


参考答案:  B


本题详细解析: 暂无

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