A metal container 0.61mhigh, with an inside cross-sectional area of 0 09 m2, weighs 22.2 N when empty. The container is placed on a scale and water flows in through an opening in the top and out through the two equal-area openings in the sides, as shown in the diagram. Under steady flow conditions, the height of the water in the tank is 0 58 m.

A1 =0 009 m2 V1 = −3j m s A2 =A3 =0 009 m2 Your boss claims that the scale will read the weight of the volume of water in the tank plus the tank weight, i.e., that we can treat this as a simple statics problem.

You disagree, claiming that a fluid flow analysis is required. Who is right, and what does the scale indicate?

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h V Scale