A liquid of density 750 kgm-3 flows smoothly through a horizontal pipe that tapers in cross-sectional area from A1 = 1.2 x 10-2m2 to A2 = A1/2 .The pressure difference between the 2 wide and narrow sections of the pipe is 4500 Pa. The rate of flow of liquid is ____ x 10-3 m3 s-1.
