The alarm at a fire station rings and a 94.3-kg fireman, starting from rest, slides down a pole to the floor below (a distance of 4.38 m). Just before landing, his speed is 1.28 m/s. What is the magnitude of the kinetic frictional force exerted on the fireman as he slides down the pole? Number eTextbook and Media Units

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
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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The alarm at a fire station rings and a 94.3-kg fireman, starting from rest, slides down a pole to the floor below (a distance of 4.38 m).
Just before landing, his speed is 1.28 m/s. What is the magnitude of the kinetic frictional force exerted on the fireman as he slides down
the pole?
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Number i
eTextbook and Media
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Save for Later
39
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80
F3
4
000
000
F4
%
5
Units
F5
^
6
MacBook Air
F6
&
7
F7
* 00
8
DII
F8
Attempts: 0 of 5 used
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F9
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Submit Answer
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Transcribed Image Text:1 View Policies ! Current Attempt in Progress The alarm at a fire station rings and a 94.3-kg fireman, starting from rest, slides down a pole to the floor below (a distance of 4.38 m). Just before landing, his speed is 1.28 m/s. What is the magnitude of the kinetic frictional force exerted on the fireman as he slides down the pole? :0 F1 Number i eTextbook and Media 2 Save for Later 39 F2 # 3 80 F3 4 000 000 F4 % 5 Units F5 ^ 6 MacBook Air F6 & 7 F7 * 00 8 DII F8 Attempts: 0 of 5 used 9 F9 O F10 Submit Answer F11 + 11 F12 de
Expert Solution
Step 1

mass of fireman (m) = 94.3 kg distance (h)= 4.38 m initial velocity (u) = 0 msfinal velocity (v) = 1.28 ms

 

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