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Physics / Physics with MasteringPhysics 4 / Chapter 16 / Problem 54P

Physics with MasteringPhysics | 4th Edition | ISBN: 9780321541635 | Authors: James S. Walker

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Two metal rods of equal length—one aluminum, the other

Chapter 16, Problem 54P

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Problem 54P

Two metal rods of equal length—one aluminum, the other stainless steel—are connected in parallel with a temperature of 20.0 °C at one end and 118 °C at the other end. Both rods have a circular cross section with a diameter of 3.50 cm. (a) Determine the length the rods must have if the combined rate of heat flow through them is to be 27.5 J per second, (b) If the length of the rods is doubled, by what factor does the rate of heat flow change?

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QUESTION:

Problem 54P

Two metal rods of equal length—one aluminum, the other stainless steel—are connected in parallel with a temperature of 20.0 °C at one end and 118 °C at the other end. Both rods have a circular cross section with a diameter of 3.50 cm. (a) Determine the length the rods must have if the combined rate of heat flow through them is to be 27.5 J per second, (b) If the length of the rods is doubled, by what factor does the rate of heat flow change?

ANSWER:

Step 1 of 5

a)We are required to determine the length of the

b) We need to find the rate of heat flow change when the length of the rods is doubled

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