February 26, 2017

Homework Help: science

Posted by jo145578 on Sunday, July 1, 2012 at 5:11am.

a person walks up a stationary escalator in t1 second if he remains stationary on the escalator then it can take him up in t2 second if the length of the escalator is L,then
1.determine the speed of man with respect to escalator
2.determine the speed of escalator
3. how much time would it take him to walk up the moving escalator?

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