Ahorizontal pipe narrows from a radius of 0.250 m to 0.1000 m. if the speed of the water in the pipe is 1.00 m/s in the larger-radius pipe, what is the speed in the smaller pipe? given the density of water is 1000 kg/m3 , what is the mass flow rate, kg/s, of the water through the pipe?

6.25 m/s

196 kg/s

Explanation:

The areas of the pipe from big to small:

As the product of speed and cross-section area is constant, the speed in the smaller pipe would be

The mass flow rate would be:

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