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

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: $K=\frac{(0.026-0.044)(9.81)}{0.014-0.021}$ $K=25N/m$

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