Supóngase que se suelta una pelota desde una torre de 70m de altura?

<img src="https://tex.z-dn.net/?f=Hola%20%20%5C%5C%20%20%5C%5C%20~Ilustremos~para~entender~mejor%20%5C%5C%20%5C%5C%20%20~~~~~~~~~~~~~~~~~~~~~Y_o%3D70m~~~~V_0%3D0%5C%5C%20~~~~~~~~~~~~%20%5Cbegin%7Btabular%7D%7B%7Cc%7D%5Cbigodot%20%5C%5C%20%5Cdownarrow%20%5C%5C%20~~~~%5Cbigodot%20~Y_1%5C%5C%5Cdownarrow%20%5C%5C%20~~~%5Cbigodot%20Y_2%20%5C%5C%20%5Cdownarrow%20%5C%5C%20%20%5C%5C%20%5Cbigodot%20%5Cend%7Btabular%7D~~~~~~~g%3D9%2C8m%2Fs%5C%C2%B2%20%5C%5C%20%5Coverline%7B~%2F%2F~~%2F%2F~~%2F%2F~~%2F%2F~~%2F%2F~~%2F%2F~~%2F%2F~~%2F%2F~~%2F%2F~~%7D%5C%5C%20%20%5C%5C%20%20" />

<img src="https://tex.z-dn.net/?f=%5Cbigstar~Obs%3A%20~Considera~la~gravedad~siempre~negativo~con~la~referencial%20%5C%5C%20%20%5C%5C%20Usaremos~la~siguiente~f%5Cacute%7Bo%7Drmula~%5Cboxed%7BY%3DY_0%2BV_0t%20%5Cpm~%20%5Cfrac%7B1%7D%7B2%7Dgt%5C%C2%B2%7D%20%5C%5C%20%20%5C%5C%20De~la~figura~arriba~calculemos~%27%27Y_1%27%27~en~el~tiempo%5Bt%3D1s%5D%2C%20y~luego%20%5C%5C%20calcularemos~la~distancia~%5Bd%3DY_0-Y_1%5D%2C%20veamos%3A%20%5C%5C%20%20Reemplazando~valores~en~la~f%5Cacute%7Bo%7Drmula%20%5C%5C%20%20%5C%5C%20%20Y_1%3D70%2B0.t%2B%20%5Cfrac%7B1%7D%7B2%7D%28-9%2C8%29.%281%29%5C%C2%B2~~--%5C%20%5Ctextgreater%20%5C%20resolviendo~nos~sale%20%5C%5C%20%20%5C%5C%20%5Cboxed%7BY_1%3D65%2C1m%7D%20%20%20%5C%5C%20distancia%20%28d%29%20%5C%5C%20d%3DY_0-Y_1%20%5C%5C%20d%3D70-65%2C1%20%5C%5C%20%5Cboxed%7B%5Cboxed%7Bd%3D4%2C9m%7D%7D%5C%5C%20%20%5C%5C%20%20" />

<img src="https://tex.z-dn.net/?f=%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%20%5C%5C%20Ahora~calculemos~con~el~mismo~procedimiento~%27%27Y_2%27%27~cuando~hace%20%5C%5C%20un~tiempo%28t%29~de~2segundos~veamos%3A%20%5C%5C%20%20Reemplazando~valores%20%20%5C%5C%20Y_2%3D70%2B0.t%2B%20%5Cfrac%7B1%7D%7B2%7D%28-9%2C8%29.%282%29%5C%C2%B2~~--%5C%20%5Ctextgreater%20%5C%20resolviendo~nos~sale%20%5C%5C%20%20%5C%5C%20%5Cboxed%7BY_2%3D50%2C4m%7D%20%20%5C%5C%20distancia%28d%29%20%5C%5C%20d%3DY_0-Y_2%20%5C%5C%20%20d%3D70-50%2C4%20%5C%5C%20%5Cboxed%7B%5Cboxed%7Bd%3D19%2C6m%7D%7D%20%5C%5C%20%20%5C%5C%20%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%20%5C%5C%20Quiere~decir~que~%3A%20%5C%5C%20%2ACuando~hace~1segundo~hara%27~una~distancia%20~de~4%2C9%20metros%20%5C%5C%20" />

<img src="https://tex.z-dn.net/?f=%20%2ACuando~hace~2segundos~hara%27~una~distancia~de~19%2C6metros%20%5C%5C%20Eso~quiere~decir~desde~la~altura~del~torre%20%5C%5C%20%20%5C%5C%20%5Cmathbb%7Biiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii%7D%5C%5C~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~%20Espero~te~sirva~saludos%21%21%20%5C%5C%20%20%5C%5C%20" />.