本题目来源于试卷: Physics Unit11: Vibrations and Waves，类别为 通用国际物理
[单选题]
A 0.30-kg mass is susp5ljupriwx) m e.-:xu6 ended on a spring. In equilibrium the mass stretches the s37 x;vv1 wge r*bqbagpnr48:spring 2.0 cm downward.; agvpvbx s3*r rwq7nb4:1eg 8 The mass is then pulled an additional distance of 1.0 cm down and released from rest. Calculate 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:
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