Answer
$E_{th} =0.46J$
Work Step by Step
$E_{th} =f_k \times d$
$E_{th} =(μ_kF_N) \times d$
$E_{th} =(μ_kmg) \times d$
$E_{th} =(0.25 \times 2.5 \times 9.8) \times 0.075$
$E_{th} =0.46J$
Fundamentals of Physics Extended (10th Edition)
by Halliday, David; Resnick, Robert; Walker, Jearl
Published by
Wiley
ISBN 10:
1-11823-072-8
ISBN 13:
978-1-11823-072-5
Chapter 8 - Potential Energy and Conservation of Energy - Problems - Page 206: 55b
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