Answer
$47^{\circ}C$
Work Step by Step
We can find the required temperature as follows:
$T=T_1+(\frac{x}{L})(T_2-T_1)$
We plug in the known values to obtain:
$T=21+(\frac{25}{81})(105-21)$
$T=47^{\circ}C$
Physics Technology Update (4th Edition)
by Walker, James S.
Published by
Pearson
ISBN 10:
0-32190-308-0
ISBN 13:
978-0-32190-308-2
Chapter 16 - Temperature and Heat - Problems and Conceptual Exercises - Page 569: 58
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