Question: A shopper is in a hurry to catch a bargain
A shopper is in a hurry to catch a bargain in a department store. She walks up the escalator, rather than let-ting it carry her, at a speed of 10 m relative to the escalator. If the escalator is 10 m long and moves at a speed of 0.50 m/s, how long does it take for the shopper to get to the next floor?
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