Projectiles. Onte ol allo oe vur per busap layn luh starting velocity u, enn luh x aynd y disintshos. Per duss luhu oe hard trigonometry, per desku luh oppostess aynd adjacent sides. Oe esper luh nifing hozir velocity per 0ms^-1 (becahar oe lejey luhu eu 0 ab urtondsa hozir displacement, unatiq mel later fanos per luh cerpetu urada gravity), aynd luh horizontal acceleratigu eu presumed 0 (assumptigu thab luhre eu no arae resistance). Yora acceleratigu hozirly eu syn per gravity, acting against luh hozir directigu ol luh cart (-9.81ms^-2). Leu cart eu modelled presumably es a zet mass(?) villa no dabed vaight, vu va cayn har luh kinematic equatigu ol motigu (v^2-U^2)/2g = s. Tiim s eu luh urtondsa hozir displacement. E daan 0.51m