Răspunsuri

2014-04-26T12:53:21+03:00
8,82KW=8820W : m=4,5t=4500kg 

P=L/t=F*d/t in cazul de fata F=Greutatea G =m*g, d=h =inaltimea 

P=G*h/t=mg*h/t =>t=P/m*g*h=8820/4500*9,8*8=