Question

At the mouth of the tap, the area of cross-section is $2.0c{m}^2$ and the speed of watre is 3m/s. The area of cross-section of the water column 80cm below the tap is (use $g=10m/s^2$)

• A. $0.6c{m}^2$
• B. $1.2c{m}^2$
• C. $1.5c{m}^2$
• D. $2.0c{m}^2$

Answer 1

Answer: (B)

$A_1{V}_1=A_2{V}_2$