Answer
$(D)~25N/m$
Work Step by Step
We can find the required force constant as follows:
$K=\frac{(m_1-m_2)g}{y_2-y_1}$
We plug in the known values to obtain:
$K=\frac{(0.026-0.044)(9.81)}{0.014-0.021}$
$K=25N/m$
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 6 - Applications of Newton's Laws - Problems and Conceptual Exercises - Page 187: 111
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