(III) In Fig. 10–54, take into account the speed of the top surface of the tank and show that the speed of fluid leaving an opening near the bottom is 2gh (1 – A{/A}) where h = y2 – yı, and A1 and A2 are the areas of the opening and of the top sur- face, respectively. Assume A1 « A2 so that the flow remains nearly steady and laminar. y2-y1 FIGURE 10–54 Problem 55.

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(III) In Fig. 10–54, take into account the speed of the top
surface of the tank and show that the speed of fluid leaving
an opening near the bottom is
2gh
(1 – A{/A})
where h = y2 – yı, and A1 and A2 are the areas of the
opening and of the top sur-
face, respectively. Assume
A1 « A2 so that the flow
remains nearly steady and
laminar.
y2-y1
FIGURE 10–54
Problem 55.
Transcribed Image Text:(III) In Fig. 10–54, take into account the speed of the top surface of the tank and show that the speed of fluid leaving an opening near the bottom is 2gh (1 – A{/A}) where h = y2 – yı, and A1 and A2 are the areas of the opening and of the top sur- face, respectively. Assume A1 « A2 so that the flow remains nearly steady and laminar. y2-y1 FIGURE 10–54 Problem 55.
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