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 0.30-kg mass is suspended on a spring. In equilibrium the zjq+bylu6.ap)pil:.n0gea (we z0up -7qt4lmass stretches ;y +r zobn/q4s2xq79, oevlyzthe spring 2.0 cm downward. The mass is then pulled an additional distance of 1.0 cm down and released from rest. Cax+ yl yoq4z;sbeq/ n2zrv9 7,olculate the period of oscillation.
A. $0.14 \; s$
B. $0.28 \; s$
C. $0.020 \; s$
D. $0.078 \; s$
参考答案: B
本题详细解析:
暂无
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