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As shown in Fig. P7.63, a noisemaker B is towed behind aminesweeper A to set off enemy

Fundamentals of Fluid Mechanics | 8th Edition | ISBN: 9781119080701 | Authors: Philip M. Gerhart, Andrew L. Gerhart, John I. Hochstein ISBN: 9781119080701 456

Solution for problem 7.63 Chapter 7.8

Fundamentals of Fluid Mechanics | 8th Edition

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Fundamentals of Fluid Mechanics | 8th Edition | ISBN: 9781119080701 | Authors: Philip M. Gerhart, Andrew L. Gerhart, John I. Hochstein

Fundamentals of Fluid Mechanics | 8th Edition

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Problem 7.63

As shown in Fig. P7.63, a noisemaker B is towed behind aminesweeper A to set off enemy acoustic mines such as at C. Thedrag force of the noisemaker is to be studied in a water tunnel at a14 scale model (model the size of the prototype). The drag force is assumed to be a function of the speed of the ship, the densityand viscosity of the fluid, and the diameter of the noisemaker.(a) If the prototype towing speed is 3 m/s, determine the watervelocity in the tunnel for the model tests. (b) If the model testsof part (a) produced a model drag of 900 N, determine the dragexpected on the prototype.

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Chapter 47: Animal Development 47.2 Morphogenesis in animals involves specific changes in cell shape, position, and survival Introduction ● Morphogenesis ­ the cellular and tissue­based process by which the animal body takes shape ● During gastrulation, set of cells at or near surface of the blastula move to interior location, establishing cell layers, and forming primitive digestive tube ● Organogenesis ­ the formation of organs Gastrulation Introduction ● Gastrulation ­ reorganization of hollow blastula into two­layered or three­layered embryo called a gastrula ○ Germ layers ­ cell layers produced ■ Ectoderm ­ forms outer layer ■ Endoderm ­ lines the embryonic digestive compartment or tract ■ Mesoderm ­ forms between ectoderm and endoderm ● Cnidarians and other radially symmetrical animals only have ectoderm and endoderm and are called diploblasts ● Triploblasts ­ have all three germ layers Gastrulation in Sea Urchins ● Gastrulation involves migration and invagination (the infolding of a sheet of cells into the embryo) ○ Extensive rearrangement forms deeper, narrower, blind­ended tube called archenteron (future digestive tube) ■ Open end will become the anus, called the blastopore, other forms mouth ● Deuterostomes ­ mouth develops from second opening of the embryo ● Protostomes ­ mouth develops from the first opening formed during gastrulation

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Chapter 7.8, Problem 7.63 is Solved
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Textbook: Fundamentals of Fluid Mechanics
Edition: 8
Author: Philip M. Gerhart, Andrew L. Gerhart, John I. Hochstein
ISBN: 9781119080701

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As shown in Fig. P7.63, a noisemaker B is towed behind aminesweeper A to set off enemy