Two Identical Balls Are at Rest Side by Side at the Bottom

question 56

Multiple Choice

Two identical balls are at rest side by side at the bottom of a hill. Some time after ball A is kicked up the hill, ball B is given a kick up the hill. Ball A is headed downhill when it passes ball B headed up the hill. At the instant when ball A passes ball B,

• A) it has the same position and velocity as ball B.
• B) it has the same position and acceleration as ball B.
• C) it has the same velocity and acceleration as ball B.
• D) it has the same displacement and velocity as ball B.
• E) it has the same position, displacement and velocity as ball B.

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Definitions:

Shared Environment

Aspects of an individual's environment that are experienced in common with others, such as family living conditions, which can influence their development.

Gene

A unit of heredity made up of DNA (or RNA in some viruses) that is responsible for passing characteristics from parents to offspring.

Chromosome

A thread-like structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes.

Hereditary Transmission

The process by which genetic information is passed from parents to offspring through their genes.