A Toy Elevator Is Raised from the Ground Floor to the Second

question 85

Multiple Choice

A toy elevator is raised from the ground floor to the second floor in 20 seconds. The power needed using 1000 J of work, is

• A)20 W.
• B)50 W.
• C)100 W.
• D)1000 W.
• E)20,000 W.

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