Aiivaras +1
Sveiki, noriu paprasyt paslaugos, esu gaves uzdavini ir niekaip nesiseka isprest, taigi uzdavinio formuluote:A cylindrical tank with length 5 ft and radius 3 ft is situated with its axis horizontal. If a circular bottom hole with a radius of 1in. is opened and the tank is initially half full of xylene, how long will it take for the liquid to drain completely?
man reikia tiktais formules, kuri apskaiciuotu skyscio pavirsiaus plota tam tikru metu.
Esu rades viena formule: S = 2 √(2*R*h(t) - h(t)²) * D. Ar gera sita formule?
D - cisternos ilgis
R - spindulys
h(t) - skyscio aukstis cisternoje, tam tikru momentu.