One possible form for the potential energy (U) of a diatomic molecule (Fig. 40–8) is called the Morse Potential:

U = U₀ [1 - e⁻ᵃ⁽ʳ ⁻ ʳᵒ⁾]².

(a) Show that r₀ represents the equilibrium distance and U₀ the dissociation energy.

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