Essential University Physics: Volume 1 (3rd Edition)

Published by Pearson
ISBN 10: 0321993721
ISBN 13: 978-0-32199-372-4

Chapter 17 - Exercises and Problems: 57

Answer

Please see the work below.

Work Step by Step

We know that $Q=mc\Delta T+(\frac{m}{2})L_v$ We plug in the known values to obtain: $Q=(450000)(4184)(100-10)+(\frac{450000}{2})(2257000)$ $Q=6.773\times 10^{11}J$ Now we can find the time duration as $t=\frac{Q}{P}$ We plug in the known values to obtain: $t=\frac{6.773\times 10^{11}}{200\times 10^6}$ $t=3400s$
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