Energija i zakon očuvanja energije - 3.

$E_{\mathrm{k}1}=E_{\mathrm{k}2}>0E\_\{\backslash mathrm\{k\}\; 1\}=E\_\{\backslash mathrm\{k\}\; 2\}>0$

$E_{\mathrm{k}1}>E_{\mathrm{k}2}E\_\{\backslash mathrm\{k\}\; 1\}>E\_\{\backslash mathrm\{k\}\; 2\}$

$E_{\mathrm{k}1}=E_{\mathrm{k}2}=0E\_\{\backslash mathrm\{k\}\; 1\}=E\_\{\backslash mathrm\{k\}\; 2\}=0$