Respuesta :

Answer:

[tex]8.0 \: or \: maybe \: 8[/tex]

Step-by-step explanation:

given

[tex]s = 16 {t}^{2} [/tex]

the given height is 1031 ft, thus,

[tex]1031 = 16 {t}^{2} [/tex]

now solving for t,

[tex]t = \sqrt{ \frac{1031}{16} } [/tex]

t~8.027 seconds