Answer
$\Delta E_{th} = 66.9J$
Work Step by Step
$\Delta E_{th} = f_k d$
$\Delta E_{th} = μ_k F_N\times d$
$\Delta E_{th} = μ_kmgd$
$\Delta E_{th} = 0.25\times 3.5 \times 9.8 \times 7.8$
$\Delta E_{th} = 66.9J$
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: 53a
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
