Answer
$19.4$
Work Step by Step
We solve for $m$ as follows:
$$
E=mv^2\Longrightarrow m=\frac{E}{v^2} \Longrightarrow m=\frac{952}{7^2}=19.4
.$$
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 12 - Cumulative Review - Page 446: 8
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