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A uniform, wooden cube with length d = 3.0 cm on each side has a density...

A uniform, wooden cube with length d = 3.0 cm on each side has a density r = 500 kg/m3 and floats motionlessly in water (density 1000 kg/m3). (Take the acceleration due to gravity to be 9.8 m/s2.) When pressed down by a small amount, and released, what is the approximate frequency of the resulting up-and-down oscillations?

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