Răspuns :
x₁=v₀₁t-gt²/2
x₂=v₀₂(t-T)-g(t-T)²/2
x₁=x₂=>v₀₁t-gt²/2=v₀₂(t-T)-g(t-T)²/2=>t=(2v₀₂+gT²)/2(v₀₂+gT-v₀₁)=(2*40+10*6²)/2(40+10*6-60)=(80+360)/2(40-0)=220/40=5,5 s
h=v₀₁t-gt²/2=60*5,5-10*5,5²/2=330-5*30,25=330-151,25=178,75 m
x₁=v₀₁t-gt²/2
x₂=v₀₂(t-T)-g(t-T)²/2
x₁=x₂=>v₀₁t-gt²/2=v₀₂(t-T)-g(t-T)²/2=>t=(2v₀₂+gT²)/2(v₀₂+gT-v₀₁)=(2*40+10*6²)/2(40+10*6-60)=(80+360)/2(40-0)=220/40=5,5 s
h=v₀₁t-gt²/2=60*5,5-10*5,5²/2=330-5*30,25=330-151,25=178,75 m