9- Imagine an alternate universe where the value of the Planck constant is 6.62607 × 10¯° 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? classical An atom with a mass of 1.0 x 1026 kg, 52. pm wide, moving at 361. m/s. quantum O classical An eyelash mite with a mass of 10.4 ug, 400 um wide, moving at 25. pm/s. quantum classical A mosquito with a mass of 2.0 mg, 13.0 mm long, moving at 2.9 m/s. quantum classical A paper airplane with a mass of 4.6 g, 280. mm long, moving at 2.6 m/s. quantum

9- Imagine an alternate universe where the value of the Planck constant is 6.62607 × 10¯° 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? classical An atom with a mass of 1.0 x 1026 kg, 52. pm wide, moving at 361. m/s. quantum O classical An eyelash mite with a mass of 10.4 ug, 400 um wide, moving at 25. pm/s. quantum classical A mosquito with a mass of 2.0 mg, 13.0 mm long, moving at 2.9 m/s. quantum classical A paper airplane with a mass of 4.6 g, 280. mm long, moving at 2.6 m/s. quantum