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  3. a person walks up a stalled escalator in 90 sec 19

A person walks up a stalled escalator in 90 sec 19 When standing on the...

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A person walks up a stalled escalator in 90 sec 19 When standing on the same escalator now moving he is carried up in 60 seconds How much time would it take him to walk up the moving escalator 1 36 sec 2 42 sec 3 18 sec 4 9 sec A coin is released inside a lift at a height of 2 m 20 3 5 sec 98 m s safe for yok R E DER ER PLANT 1 36 sec 3 18 sec 4 5 sec 99 m s 360 sec 90 sec gn that m 2 42 sec 4 9 sec OF

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