本题目来源于试卷: gc textbook chapter 11 Vibrations and Waves，类别为 IB物理学
[问答题]
A mass hanging from a spring can oscillate )1b 244iu h wrzhkeicpv83q(xin the vertical directw66 ckc2g*oivw )8uqdion or can swing as a pendulum of small amplitude, but not botv*uccw o826) d6giwqk h at the same time. Which one is longer, the period of 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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