## Essential University Physics: Volume 1 (4th Edition) Clone

Published by Pearson

# Chapter 17 - Exercises and Problems - Page 325: 46

#### Answer

We see that the carbon black causes the ice to melt, for the ice with the carbon black melts faster.

#### Work Step by Step

We use a known equation and known constants to find: $t = \frac{\rho hL}{.1I}\\t=\frac{(917)(2.5)(334,000)}{.1\times300}= .81\ years$ We compare: $t = \frac{\rho hL}{.1I}\\t=\frac{(917)(2.5)(334,000)}{.5\times300}= .162 \ years$ We see that the carbon black causes the ice to melt, for the ice with the carbon black melts faster.

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