An 90.17 kg person is half way up a uniform ladder of length 3.939 m and mass 29.49 kg that is leaning against a wall. The angle between the ladder and the wall is 0. The coefficient of static friction between the ladder and the floor is 0.2881. Assume that the friction force between the ladder and the wall is zero. What is the maximum value of the angle between the ladder and the wall before the ladder starts slipping?

An 90.17 kg person is half way up a uniform ladder of length 3.939 m and mass 29.49 kg that is leaning against a wall. The angle between the ladder and the wall is 0. The coefficient of static friction between the ladder and the floor is 0.2881. Assume that the friction force between the ladder and the wall is zero. What is the maximum value of the angle between the ladder and the wall before the ladder starts slipping?

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

An 90.17 kg person is half way up a uniform ladder of length 3.939 m
and mass 29.49 kg that is leaning against a wall. The angle between
the ladder and the wall is 0. The coefficient of static friction between
the ladder and the floor is 0.2881. Assume that the friction force
between the ladder and the wall is zero. What is the maximum value
of the angle between the ladder and the wall before the ladder
starts slipping?

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