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A 2-kg block slides down a ramp which is at an incline of $25^\circ$. If the frictional force is 4.86 N, what is the coefficient of friction? At what incline will the box slide at a constant velocity? Assume $g = 10 \textrm{ m/}^2$.
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Final Answer
  1. $0.27$
  2. $15^\circ$
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OpenStax College Physics Solution, Chapter 5, Problem 2 (Test Prep for AP® Courses) (3:18)

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