Ox:x=v₀cosαt
Oy:y=v₀sinαt-gt²/2
voy=v₀sinα
vox=v₀cosα
y=h=>h=v₀sinαt-gt²/2<=>500=240*0,866t-5t²<=>500=207,84t-5t²<=>5t²-207,84t+500=0 |:5=>t²-41,56+100=0
Δ=1727,89-400=1327,89
t₁,₂=(41,56±36,44)/2
t₁=(41,56+36,44)/2=78/2=39 s
t₂=(41,56-36,44)/2=5,12/2=2,56 s
t₂<<
t=t₁=39 s
d=v₀cosαt=240*0,5*39=4680 m