A Tennis Ball Undergoes an Elastic Collision When It Hits

question 8

Multiple Choice

A tennis ball undergoes an elastic collision when it hits the ground and bounces up. It is given that the speed of the ball just before it hits the ground is -v₀ and immediately after rebounding it is +v₀. Which of the statements below is true?

• A) The momentum of the ball changes but the momentum of Earth does not.
• B) The momentum of the ball changes and the momentum of Earth also changes by the same amount.
• C) The momentum of the ball does not change but the momentum of Earth changes.
• D) Neither the momentum of the ball nor the momentum of Earth changes.
• E) Additional information is needed to answer this question.

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Definitions:

Depressive Symptoms

Signs that may indicate depression, including persistent sadness, lack of interest in activities, and changes in sleep or appetite.

Cognitive-behavioral Therapy

A form of psychotherapy that treats problems and boosts happiness by modifying dysfunctional emotions, behaviors, and thoughts.

Maladaptive Automatic Thoughts

Negative and involuntary thoughts that arise automatically in response to specific situations and contribute to emotional distress.

Primary Attitudes

The fundamental or core beliefs and feelings an individual holds towards objects, people, or concepts, which can influence behavior and perceptions.