An Escalator Is Used to Move 20 People (60 Kg

question 31

Multiple Choice

An escalator is used to move 20 people (60 kg each) per minute from the first floor of a department store to the second floor, 5 m above.The power required is approximately:

• A)100 W
• B)200 W
• C)1000 W
• D)2000 W
• E)60,000 W

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