## Essential University Physics: Volume 1 (3rd Edition)

Published by Pearson

# Chapter 9 - Exercises and Problems - Page 166: 88

3.248 J

#### Work Step by Step

We know that the energy of the pellet is equal to its initial energy minus the energy gained by the pendulum. Thus, we find: $K=3.25 - (.4)(9.81)(5\times10^{-4})=\fbox{3.248 J}$

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