35. Walking up an inoperative escalator takes ninety seconds. The trip takes forty-five seconds when the escalator is working. How long would the trip take if a person walked up the moving escalator? A. 36 seconds B. 48 seconds C. 30 seconds D. 42 seconds
35. Walking up an inoperative escalator takes ninety seconds. The trip takes forty-five seconds when the escalator is working. How long would the trip take if a person walked up the moving escalator? A. 36 seconds B. 48 seconds C. 30 seconds D. 42 seconds
College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter1: Introduction: The Nature Of Science And Physics
Section: Chapter Questions
Problem 10PE: (a) Refer to Table 1.3 to determine the average distance between the Earth and the Sun. Then...
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35. Walking up an inoperative escalator takes ninety seconds. The trip takes forty-five seconds when the escalator is working. How long would the trip take if a person walked up the moving escalator?
A. |
36 seconds |
|
B. |
48 seconds |
|
C. |
30 seconds |
|
D. |
42 seconds |
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