Jest to wzór na energię całkowitą, więc:
[tex]E_c=\frac{mV^2}2+mgh|:m\\\frac{E_c}m=\frac12V^2+gh|*2\\V^2+2gh=2\frac{E_c}m\\V^2=2\frac{E_c}m-2gh\\V=\sqrt{2\frac{E_c}m-2gh}[/tex]
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Jest to wzór na energię całkowitą, więc:
[tex]E_c=\frac{mV^2}2+mgh|:m\\\frac{E_c}m=\frac12V^2+gh|*2\\V^2+2gh=2\frac{E_c}m\\V^2=2\frac{E_c}m-2gh\\V=\sqrt{2\frac{E_c}m-2gh}[/tex]