7. A motor and cable apparatus lowers an elevator that is initially moving downward until the elevator comes to a stop at a lower elevation d y Yo Vo y 0m v = 0 m/s 0 Mass of Earth System Initial Energy Final Energy +Work U go К, + U So Wext Us +AUint к + Ug + I Work/Energy Equation: 5

7. A motor and cable apparatus lowers an elevator that is initially moving downward until the elevator comes to a stop at a lower elevation d y Yo Vo y 0m v = 0 m/s 0 Mass of Earth System Initial Energy Final Energy +Work U go К, + U So Wext Us +AUint к + Ug + I Work/Energy Equation: 5

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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Question

7.
A motor and cable apparatus lowers an elevator that is initially moving
downward until the elevator comes to a stop at a lower elevation
d
y
Yo
Vo
y 0m
v = 0 m/s
0
Mass
of Earth
System
Initial Energy
Final Energy
+Work
U go
К, +
U
So
Wext
Us +AUint
к
+ Ug
+
I
Work/Energy Equation:
5

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