Imagine an alternate universe where the value of the Planck constant is 6.62607 x 10 -16 J's. In that universe, which of the following objects would require quantum mechanics to describe, that is, would show both particle and wave properties? Which objects would act like everyday objects, and be adequately described by classical mechanics? object quantum or classical? A virus with a mass of 6.0 x 1017 g, 380. nm wide, O classical moving at 1.70 um/s. quantum A turtle with mass of 990. g, 24. cm long, moving at 1.5 O classical cm/s. O quantum O classical An atom with a mass of 1.0 x 1027 kg, 77. pm wide, moving at 115. m/s. O quantum O classical A grain of sand with a mass of 140 mg, 900. um wide, moving at 2.00 mm/s. O quantum

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