問題詳情
25.The potential energy of a diatomic molecule (a two-atom system like H2 or O2) is givenby U=

where r is the separation of the two atoms of the molecule and A and B arepositive constants. This potential energy is associated with the force that binds the two atomstogether. The force that one atom exerts on the other is:
(A)

(B)

(C)

(D)

(E)

參考答案