(13-55) In Fig. 13-55, take into account the speed of the top surface of the tank and show that the

(13-55) In Fig. 13-55, take into account the speed of the top surface of the tank and show that the speed of fluid leaving the opening at the bottom is , where , and and are the areas of the opening and of the top surface, respectively. Assume so that the flow remains nearly steady and laminar.

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