Question

giúp mik mik cần nộp gấp 

Answer 1

giúp mik với thanks ạ

Answer 2

\(60cm=0,6m-140cm=1,4m\)

a. \(p=dh=10000\cdot0,6=6000\left(Pa\right)\)

b. \(h_{dau}=h_{sau}-h=1,4-0,6=0,8m\)

\(=>p_{dau}=d_{dau}\cdot h_{dau}=8000\cdot0,8=6400\left(Pa\right)\)

\(=>p_{lucnay}=p+p_{dau}=6000+6400=12400\left(Pa\right)\)