Q5.28 A stream of water flowing horizontally with a speed of 15 m s-1 gushes out of a tube of cross-sectional area 10-2 m2, and hits a vertical wall nearby. What is the force exerted on the wall by the impact of water, assuming it does not rebound?
Firstly we will calculate the mass of water passing through per second :
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Force is defined as the rate of change of momentum.
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