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 suspended on a sprme0o u j-)vx0uny),e3a u w0cwii7b* ting. In equilibrium the mass stretz8x4rle7 6kt gches the spring 2.0 cm downward. The mass is then pulled an additional dista rl67zgt4 xke8nce 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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