Answer
$1.4m/s$
Work Step by Step
We know that
$v=\sqrt{\frac{K}{m}}$
We plug in the known values to obtain:
$v=\sqrt{\frac{0.12J}{0.065Kg}}$
$v=1.4m/s$
Physics Technology Update (4th Edition)
by Walker, James S.
Published by
Pearson
ISBN 10:
0-32190-308-0
ISBN 13:
978-0-32190-308-2
Chapter 10 - Rotational Kinematics and Energy - Problems and Conceptual Exercises - Page 328: 82
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