Дано V=12 м/с h - ?Е =Е/2 + m*g*hm*V^2/2=2*g*hh=V^2/4*g=12*12/40=3,6 м
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Дано V=12 м/с h - ?
Е =Е/2 + m*g*h
m*V^2/2=2*g*h
h=V^2/4*g=12*12/40=3,6 м