For the Objects find out if

Question

For the Objects, find out if

they are either classical or quantum?

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Imagine an aernate universe where the value of the Planck constant is 6.62607 x 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?
A buckyball with a mass of 1.2 x 10-21 g, 0.7 nm wide,
classical
moving at 21. m/s.
O quantum
A mosquito with a mass of 1.9 mg, 8.7 mm long, moving
classical
at 3.0 m/s.
O quantum
A turtle with a mass of 700. g, 23. cm long, moving at 3.0
O classical
cm/s.
O quantum
An airplane with a mass of 1.87 x 10* kg, 16.0 m long,
O classical
moving at 800. km/h.
O quantum
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5:43 AM
5/12/2019
Science