Question Number 127018 by '-E/9 last updated on 26/Dec/20
$${Vf}×\mathrm{2}={Vi}×\mathrm{2}+\mathrm{2}{a}\Delta{d} \\ $$$$\mathrm{0}=\mathrm{16}.\mathrm{5} \\ $$
Answered by physicstutes last updated on 26/Dec/20
$$\mathrm{you}\:\mathrm{should}\:\mathrm{write}\:\mathrm{it}\:\mathrm{this}\:\mathrm{way}. \\ $$$$\:\:{v}_{{f}} ^{\mathrm{2}} \:=\:{v}_{{i}} ^{\mathrm{2}} \:+\:\mathrm{2}{a}\Delta{d} \\ $$$$\mathrm{but}\:\mathrm{please}\:\mathrm{don}'\mathrm{t}\:\mathrm{learn}\:\mathrm{how}\:\mathrm{to}\:\mathrm{write}\:\mathrm{your}\:\mathrm{equations} \\ $$$$\mathrm{in}\:\mathrm{a}\:\mathrm{forum}\:\mathrm{where}\:\mathrm{everyone}\:\mathrm{will}\:\mathrm{see}\:\mathrm{it}. \\ $$