Ask a New Question

A person walks up a stalled 20 m long escalator in 79 s. When standing on the same escalator, now moving, the person is carried up in 60 s. How much time would it take that person to walk up the moving escalator?

ratewalking= 20/79 ratemoving=20/60

time= distance/added rates

so add the rates, and divide into distance.

Ask a New Question or answer this question.

Similar Questions

An escalator is 20 m long. If a person stands on the 'up' side, it takes 50 seconds to ride to the top.a) If a person walks up
1. 1 answer
In a mall, a shopper rides up an escalator between floors. at the top of the escalator, the shopper turns right and walks 9.00m
1. 3 answers
an escalator carries you from one level to the next in the airport terminal. the upper level is 4.5 m above the lower level, and
1. 3 answers
Angelo is driving at 15.0 m/s when he saw a stalled car 75 m ahead. At what rate must he slow down his car so that it will stop
1. 1 answer

more similar questions