A vertical water jet flows out of a round hole. One of the horizontal sections of the jet has
Channel: Doubtnut
Date: 2020-08-23

A vertical water jet flows out of a round hole. One of the horizontal sections of the jet has the diameter `d = 2.0 mm` while the other section section located `l = 20 mm` lower has the diameter which is `n = 1.5` times less. Find the volume of the water flowing from the hole each second.