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Get Full Access to University Physics - 13 Edition - Chapter 17 - Problem 21e
Get Full Access to University Physics - 13 Edition - Chapter 17 - Problem 21e

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# A machinist bores a hole of diameter 1.35 cm in a steel

ISBN: 9780321675460 31

## Solution for problem 21E Chapter 17

University Physics | 13th Edition

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Problem 21E

A machinist bores a hole of diameter 1.35 cm in a steel plate that is at 25.0o C. What is the cross-sectional area of the hole (a) at 25.0o C and (b) when the temperature of the plate is increased to 175o C? Assume that the coefficient of linear expansion remains constant over this temperature range.

Step-by-Step Solution:

Solution to 21E Step 1 -2 Diameter of the hole=1.35cm =1.35x10 m 0 Initial temperature =25 C =298.15K -5 0 -1 Coefficient of linear expansion of steel =1.2x10 ( K ) CSA of hole = r 2

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Step 3 of 3

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