A desperate hiker has to think fast to help his friend who has fallen below him. Quickly, he ties т, a rope to a rock of mass m, and makes his way over the ledge (see the figure). If the coefficient of maximum static friction between the rock and the ground is µ, and the mass of the hiker is mn, what is the maximum mass of the friend, mf, that the rock can hold so т, the hikers can then make their way up over the ledge? Assume the rope is parallel to the ground and the point where the rope passes over the ledge is frictionless. т

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
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Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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A desperate hiker has to think fast to help his
friend who has fallen below him. Quickly, he ties
т,
a rope to a rock of mass m, and makes his way
over the ledge (see the figure).
If the coefficient of maximum static friction
between the rock and the ground is µ, and the
mass of the hiker is mn, what is the maximum
mass of the friend, mf, that the rock can hold so
т,
the hikers can then make their way up over the
ledge? Assume the rope is parallel to the ground
and the point where the rope passes over the
ledge is frictionless.
т
Transcribed Image Text:A desperate hiker has to think fast to help his friend who has fallen below him. Quickly, he ties т, a rope to a rock of mass m, and makes his way over the ledge (see the figure). If the coefficient of maximum static friction between the rock and the ground is µ, and the mass of the hiker is mn, what is the maximum mass of the friend, mf, that the rock can hold so т, the hikers can then make their way up over the ledge? Assume the rope is parallel to the ground and the point where the rope passes over the ledge is frictionless. т
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