H=80 м r=? vcp=?
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H=g*t²/2 ----> t=√(2*H/g)=√(2*80/10)=4 c
r=H-g*(t-1)²/2=80-10*9/2=35 м
vcp=(0+v)/2=g*t/2=10*4/2=20 м/с
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H=80 м r=? vcp=?
===
H=g*t²/2 ----> t=√(2*H/g)=√(2*80/10)=4 c
r=H-g*(t-1)²/2=80-10*9/2=35 м
vcp=(0+v)/2=g*t/2=10*4/2=20 м/с
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