problem17_70

University Physics with Modern Physics with Mastering Physics (11th Edition)

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17.70: a) The heat current will be the same in both metals; since the length of the copper rod is known, ( 29 ( 29 ( 29 ( 29 W. 39 . 5 m 00 . 1 K 0 . 35 m 10 400 K m W 0 . 385 2 4 = × = - H b) The length of the steel rod may be found by using the above value of H in Eq. ( 29 21 . 17 and solving for
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Unformatted text preview: , 2 L or, since A H and are the same for the rods, ( 29 ( 29 ( 29 ( 29 ( 29 m. 242 . K . 35 K m W . 385 K . 65 K m W 2 . 50 m 00 . 1 2 2 2 = = = T T k k L L...
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