A person walks up a stalled escalator 15 m long in 90 seconds. When standing on the same escalator now moving, the person is carried up in 60 seconds. How much time would it take that person to walk up the moving escalator? 24 sec 36 sec 48 sec 42 sec

A person walks up a stalled escalator 15 m long in 90 seconds. When standing on the same escalator now moving, the person is carried up in 60 seconds. How much time would it take that person to walk up the moving escalator? 24 sec 36 sec 48 sec 42 sec

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter6: Motion In Two Dimensions

Section: Chapter Questions

Problem 84A

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Concept explainers

Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –

Question

A person walks up a stalled escalator 15 m long in 90 seconds. When standing on the same
escalator now moving, the person is carried up in 60 seconds. How much time would it take
that person to walk up the moving escalator?
24 sec
36 sec
48 sec
42 sec

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