Question

Помогите решить !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answer 1

1) P=m*g/S=0,6*10/0,08=75 Па   2) h=P/p*g=4*10^6/10^3*10=400 м

3) F2=F1*S2/S1=1*500/10=50 кПа  4) Pp*g*h=1030*10*400=4120 кПа   5) F-2  <-1  D-3