本题目来源于试卷: gc textbook chapter 11 Vibrations and Waves，类别为 通用国际物理
[问答题]
A mass hanging from a spring can oscil )8mb :bjihqai80p.cylate in : o u4uzse;cn4the vertical direction or can swing as a pendulum of small amplitude, but not both at the same time. Which one is longer, the period ou4;z4 e os:cnuf the vertical oscillations or the period of the horizontal swings, and by what amount? [Hint: Let $l_0$ be the length of the unstretched spring, and L be its length with the mass attached at rest.]
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