Using 1000 J of Work,a Toy Elevator Is Raised from the Ground

question 13

Multiple Choice

Using 1000 J of work,a toy elevator is raised from the ground floor to the second floor in 20 s.How much power does the elevator use?

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