Mathematics · Speed, Distance and Time
The average of a commuter's up-escalator speed and down-escalator speed is 2.4 m/s. If the commuter covers an up-escalator distance of 52.5 m in 35 seconds, what is the speed of the escalator? (Assume constant walking speed)
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 13.9 m/s
- 22.4 m/s
- 31.5 m/s
- 40.9 m/s✓
Correct answer
0.9 m/s
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