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

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Definitions:

Ankle Bones

The bones that form the joint connecting the foot to the leg, including the tibia, fibula, and talus.

Nasal Cavity

The large air-filled space above and behind the nose in the middle of the face, involved in breathing and smelling.

Wrist

The joint connecting the hand to the forearm, allowing for a wide range of motion and flexibility.

Marble-Sized

Describes an object or mass that is about the same size as a marble, indicating a small, round shape approximately 1/2 inch to 1 inch in diameter.