量子力学中,请问公式E=p^2/2m是怎么得来的?

问题描述:

量子力学中,请问公式E=p^2/2m是怎么得来的?
还有E=p^2/2u

E = mv²/2 = m²v²/(2m) = (mv)²/(2m) = p²/(2m)