Question
A high-speed escalator travels at 180 ft/min. What is the absolute velocity of a person running at 700 ft/min
A high-speed escalator travels at 180 ft/min. What is the absolute velocity of a person running at 700 ft/min (a) in the same direction as the escalator’s motion and (b) in a direction opposite to that of the escalator’s motion?
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Koala Tutor
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Got a question with my answer?
(a) If the person is running in the same direction as the escalator's motion, their absolute velocity would be the sum of their running speed and the speed of the escalator. So, 700 ft/min + 180 ft/min = 880 ft/min.
(b) If the person is running in a direction opposite to that of the escalator's motion, their absolute velocity would be the difference between their running speed and the speed of the escalator. So, 700 ft/min - 180 ft/min = 520 ft/min.
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