Answer
$1.2$
Work Step by Step
We know that
$f_s=\mu_s mg=ma$
This simplifies to:
$\mu_{s}=\frac{a}{g}$
We plug in the known values to obtain:
$\mu_{s}=\frac{12}{9.81}$
$\mu_{s}=1.2$
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 178: 5
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