Asked by Allison

Walking down a long moving escalator, Phil covered 75 m in distance in 25 seconds. Walking back up against the motion of the escalator, the distance was covered in 75 seconds. What was the speed of the escalator?
Answered by Henry
V = Vmax - Vmin,
V = 75m / 25s - 75m / 75s = 3 - 1 = 2m/s.
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