A group of friends regularly enjoys white-water rafting, and they bring piston water guns to shoot water
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A group of friends regularly enjoys white-water rafting, and they bring piston water guns to shoot water from one raft to another. One summer they notice that when on placid slack water (no current), after just a few volleys at each other, they are drifting apart. They wonder whether the jet being ejected out of a piston gun has enough momentum to force the shooter and raft backward. To answer this question,
a. Sketch a CV, an FD, and an MD for this system.
b. Calculate the momentum flux (N) generated by ejecting water with a flow rate of 3 gal/s from a cross section of 1.7 in.
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Related Book For
Engineering Fluid Mechanics
ISBN: 9781118880685
11th Edition
Authors: Donald F. Elger, Barbara A. LeBret, Clayton T. Crowe, John A. Robertson
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