A massless spring with no mass attached to it hangs from the ceiling. Its length is 0.2 meter. A mass M is now hung on the lower end of the spring. Imagine supporting the mass with your hand so that the spring remains relaxed (that is, not expanded or compressed), then suddenly remove your supporting hand. The mass and spring oscillate. The lowest position of the mass during the oscillations is 0.1 m below the place it was resting when you supported it. (a) What is the frequency of oscillation?


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