A block is set into motion up an inclined plane (30°) with an initial speed of 8.0 m/s. There is friction between the block ant the plane. The block comes to rest after traveling 4.8 m along the plane. V, =8 m/s What is the value of the coefficient of friction µ? HINT: remember that the friction force is given by f = µN = µ = thus because both f and the N are proportional to the mass of the block m, m cancels out and you don't need it to find u. Thus you wont be able to find a value for f or N alone, so find your acceleration fırst, then an equation for u that is independent of m.

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter6: Energy Of A System
Section: Chapter Questions
Problem 8P
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A block is set into motion up an inclined plane (30° ) with an initial speed of 8.0 m/s. There is
friction between the block ant the plane. The block comes to rest after traveling 4.8 m along
the plane.
V =8 m/s
What is the value of the coefficient of friction u?
HINT: remember that the friction force is given by
f = µN = µ =
N
thus because both f and the N are proportional to the mass of the block m, m cancels out and
you don't need it to find u. Thus you wont be able to find a value for f or N alone, so find your
acceleration first, then an equation for u that is independent of m.
Transcribed Image Text:A block is set into motion up an inclined plane (30° ) with an initial speed of 8.0 m/s. There is friction between the block ant the plane. The block comes to rest after traveling 4.8 m along the plane. V =8 m/s What is the value of the coefficient of friction u? HINT: remember that the friction force is given by f = µN = µ = N thus because both f and the N are proportional to the mass of the block m, m cancels out and you don't need it to find u. Thus you wont be able to find a value for f or N alone, so find your acceleration first, then an equation for u that is independent of m.
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