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Physics: Principles with Applications | 6th Edition | ISBN: 9780130606204 | Authors: Douglas C. Giancoli
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A 6.0-cm-diameter horizontal pipe gradually narrows to 4.0

Chapter 4, Problem 41P

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QUESTION:

Problem 41P

A 6.0-cm-diameter horizontal pipe gradually narrows to 4.0 cm. When water flows through this pipe at a certain rate, the gauge pressure in these two sections is 32.0 kPa and 24.0 kPa, respectively. What is the volume rate of flow?

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QUESTION:

Problem 41P

A 6.0-cm-diameter horizontal pipe gradually narrows to 4.0 cm. When water flows through this pipe at a certain rate, the gauge pressure in these two sections is 32.0 kPa and 24.0 kPa, respectively. What is the volume rate of flow?

ANSWER:

ANSWER:The mass of the block is 10 kg.The coefficient of kinetic friction given for steel is, = 0.60. KAs the block is sliding over a steel table, there will be a frictional force which is,F = K N = × Kg = 0.60 × 10 × 9.8 = 58.8 N .By definition, work is, W = F. dS = F S cos ------------------(1) | || |Where we have taken out the force out of the integral sign as the force is constant we haveconsidered. The integral of dS gives the net displacement

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