дано t=2 с Vo- ? H- ?
h=Vo*t -g*t^2/2
h=0
0=t*(Vo-g*t/2)
Vo=g*t/2=10 м/с
H=Vo^2/2*g=100/20=5 м
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дано t=2 с Vo- ? H- ?
h=Vo*t -g*t^2/2
h=0
0=t*(Vo-g*t/2)
Vo=g*t/2=10 м/с
H=Vo^2/2*g=100/20=5 м