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Suppose that for a particular setup, the hanging mass is 200g, and the n = is found to have a driving frequency of 80HZ.

Suppose that for a particular setup, the hanging mass is 200g, and the n = is found to have a driving frequency of 80HZ. If the mass is changed to 300g, what frequency will lead to the n = 4 mode with this heavier mass? 3 mode

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