Скачать или смотреть Zero-Point Energy & Quantum Number of a 1-gram Pendulum | Modern Physics Solved (Beiser)

Step-by-step solution to Problem 33 of Chapter 5 from Arthur Beiser’s "Concepts of Modern Physics.”
A pendulum with a 1.00-g bob has a massless string 250 mm long. The period of the pendulum is 1.00 s.
(a) What is its zero-point energy? Would you expect the zero-point oscillations to be detectable?
(b) The pendulum swings with a very small amplitude such that its bob rises a maximum of 1.00 mm above its equilibrium position. What is the corresponding quantum number?

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