[tex]S = S_{0} + V_{0}*t - (g / 2)t^{2}[/tex]
[tex]S = 0 + V_{0}*t - (10 / 2)t^{2}[/tex]
[tex]S = V_{0}*t - 5t^{2}[/tex]
a)
[tex]t_{voo}=12s[/tex]
[tex]2*t_{subida}=12s[/tex]
[tex]t_{subida}=6s[/tex]
[tex]X_{v}=6s[/tex]
[tex]-b/2a=6[/tex]
[tex]-V_{0}/[2(-5)]=6[/tex]
[tex]V_{0}/10=6[/tex]
[tex]V_{0}=6*10[/tex]
[tex]V_{0}=60m/s[/tex]
b)
[tex]S = V_{0}*t - 5t^{2}[/tex]
[tex]S = 60*t - 5t^{2}[/tex]
[tex]H_{max}=Y_{v}[/tex]
[tex]H_{max}=-delta/4a[/tex]
[tex]H_{max}=-(b^{2}-4*a*c)/4a[/tex]
[tex]H_{max}=-(b^{2}-4*a*0)/4a[/tex]
[tex]H_{max}=-(b^{2})/4a[/tex]
[tex]H_{max}=-(60^{2})/[4(-5)][/tex]
[tex]H_{max}=3600/20[/tex]
[tex]H_{max}=180m[/tex]