A Cork Floats in Water in a Bucket Resting on the Floor

question 10

Multiple Choice

A cork floats in water in a bucket resting on the floor of an elevator. The elevator then accelerates upward. During the acceleration:

• A) the cork is immersed more
• B) the cork is immerse less
• C) the cork is immersed the same amount
• D) at first the cork is immersed less but as the elevator speeds up it is immersed more
• E) at first the cork is immersed more but as the elevator speeds up it is immersed less

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Definitions:

National Urban League

An American civil rights organization that advocates on behalf of African Americans and against racial discrimination in the United States.

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Military or other groups that were divided based on race or ethnicity, common in the U.S. until the mid-20th century.