Question

Ma puteti ajuta cu ex 2,3.Dau coroana!

Answer 1

2.

ρa=1,05 g/cm³=1050 kg/m³

p=ρa*g*h=1050*10*100=1050000 Pa=10,5 atm

p=F/S=F/l²=>F=p*l²=1050000*8²=67,2 MN

3.

p₁=756 mmHg=100791.71 Pa

p₂=682 mmHg=90925.85 Pa

h=(p₁-p₂)/ρg=(100791.71-90925.85)/0,4*10=9865,86/4=2466,46 m