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Here are three sets of values for the sp...

Here are three sets of values for the spring constant, damping constant, and mass for the damped oscillator of Fig. 15.17. Rank the sets according to the time required for the mechanical energy to decrease to one-fourth of its initial value, greatest first.
`{:(bar("Set 1" 2k_(0)" " b_(0)" " m_(0))),("Set 2 " k_(0) " " 6b_(0) " " 4m_(0)),(ul("Set 3" 3k_(0) " " 3b_(0)" " m_(0))):}`

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Set 1, Set 2, Set 3, (the ratio of m/b matters, k does not)
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