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A spring pendulum with a mass oscillates at a frequency of 2 Hz. When the mass is replaced with mass , the same pendulum oscillates at a frequency of 6 Hz. At what frequency does it oscillate if we hang both masses on it?
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oscillates at a frequency of 2 Hz. When the mass is replaced with mass 
, the same pendulum oscillates at a frequency of 6 Hz. At what frequency does it oscillate if we hang both masses on it?
