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A person walks up a stalled l 5-m-Iong escalator in 90 s. When standing on the same escalator, now moving, the per- son is carried up in 60 s. How much time would it take that person to walk up the moving escalator? Does the answer de- pend on the length of the escalator?

A person walks up a stalled l 5-m-Iong escalator in 90 s. When standing on the same escalator, now moving, the per- son is carried up in 60 s. How much time would it take that person to walk up the moving escalator? Does the answer de- pend on the length of the escalator?

Grade:upto college level

1 Answers

Navjyot Kalra
askIITians Faculty 654 Points
6 years ago
232-1818_1.PNG
Therefore, the time measured by the observer on ground, when the person on escalator moves on the moving escalator is 36 s .

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