DATOS
partió una velocidad de 20 m / s
<img src="https://tex.z-dn.net/?f=vi%3D20%20%5Cfrac%7Bm%7D%7Bs%7D%20" />
<img src="https://tex.z-dn.net/?f=a%3D5%20%5Cfrac%7Bm%7D%7Bs%5E%7B2%7D%20%7D%20" />
<img src="https://tex.z-dn.net/?f=d%3D%3F" />
<img src="https://tex.z-dn.net/?f=t%3D10s" />
Ecuación de la distancia
<img src="https://tex.z-dn.net/?f=d%3Dv_%7Bi%7Dt%2B%20%5Cfrac%7B1%7D%7B2%7Dat%5E%7B2%7D%20%20%20" />
Reemplazamos los datos y listo
<img src="https://tex.z-dn.net/?f=d%3D%2820%20%5Cfrac%7Bm%7D%7Bs%7D%20%29%2810s%29%2B%20%5Cfrac%7B1%7D%7B2%7D%285%20%5Cfrac%7Bm%7D%7Bs%5E%7B2%7D%20%7D%20%29%2810s%29%5E%7B2%7D%20" />
<img src="https://tex.z-dn.net/?f=d%3D200m%2B%20250m" />
<img src="https://tex.z-dn.net/?f=d%3D450mR%2F%2F" />.