本题目来源于试卷: Physics Unit11: Vibrations and Waves,类别为 国际高中通用物理
[单选题]
A mass is attached to a spring of spring constantu2 oaoii*a* 7vrc5,t m 60 N/m along a n;4qsnc8 x4fj:mc 0i8an+r -kg he*tthorizontal, frictionless surface. The spring is initially stretched by tn-se fmk0nnc;r*8gqa:x 8 ch 4tj4i+a force of 5.0 N on the mass and let go. It takes the mass 0.50 s to go back to its equilibrium position when it is oscillating. What is the frequency of oscillation?
A. $0.50 \; Hz$
B. $1.0 \; Hz$
C. $1.5 \; Hz$
D. $2.0 \; Hz$
参考答案: A
本题详细解析:
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