Respuesta :

csmith9824

   v=12m/s i think that the answer

wiseowl2018

Answer:

The height will be 2477.3 m

Explanation:

According to 3rd equation of motion

2aS = Vf² - Vi²

S = [tex]\frac{Vf^{2} -Vi^{2} }{2a}[/tex]

S = (0² - 20.5²) / 2 * 11.79

S = 2477 m