Resposta :
h = 80 metros
g = 10 m/s²
Temos:
V² = Vo² + 2 * g * h
V² = 0² + 2*10*80
V² = 1600
V = [tex] \sqrt{1600} [/tex]
*****************************
V = 40m/s = 144km/h
*****************************
g = 10 m/s²
Temos:
V² = Vo² + 2 * g * h
V² = 0² + 2*10*80
V² = 1600
V = [tex] \sqrt{1600} [/tex]
*****************************
V = 40m/s = 144km/h
*****************************