Resposta :
[tex]\large\boxed{\begin{array}{l}\rm E_p=m\cdot g\cdot h\longrightarrow h=\dfrac{E_p}{m\cdot g}\\\\\rm h=\dfrac{124\backslash\!\!\!0}{8\cdot1\backslash\!\!\!0}\\\\\rm h=15,5\,m\end{array}}[/tex]
[tex]\large\boxed{\begin{array}{l}\rm E_p=m\cdot g\cdot h\longrightarrow h=\dfrac{E_p}{m\cdot g}\\\\\rm h=\dfrac{124\backslash\!\!\!0}{8\cdot1\backslash\!\!\!0}\\\\\rm h=15,5\,m\end{array}}[/tex]