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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A pipe is running full of water. At a certain point A it tapers from 60 cm diameter to 2.0 cm diameter at B. The pressure difference between A and B is 100 cm of water column. Find the rate of flow of water through the pipe.

A pipe is running full of water. At a certain point A it tapers from 60 cm diameter to 2.0 cm diameter at B. The pressure difference between A and B is 100 cm of water column. Find the rate of flow of water through the pipe.

The speed of flow past the lower surface of a wing of an areoplane is 50 m/s . what speed of flow over the upper surface will give a dynamic lift of 1000 Pa ? Density of air = 1.3 kg m^3.