A Rubber Ball Bounces Off of a Wall with an Initial

question 97

Multiple Choice

A rubber ball bounces off of a wall with an initial speed v and reverses its direction so its speed is v right after the bounce.As a result of this bounce,which of the following quantities of the ball are conserved? (There could be more than one correct choice. )

• A)the kinetic energy of the ball
• B)the momentum of the ball
• C)both the momentum and the kinetic energy of the ball
• D)None of the above quantities are conserved.

---

Definitions:

Disrupt-then-reframe Technique

A persuasion strategy that involves presenting an unexpected element (disruption) followed by a rational argument (reframe) to persuade someone.

Critical Thinking

The objective analysis and evaluation of an issue in order to form a judgment.

Scarcity Principle

A psychological and economic principle stating that limited supply of a commodity increases its demand and perceived value.

Fast-approaching-deadline Technique

A time management strategy emphasizing the urgency and priority of tasks as deadlines approach, aiming to enhance productivity.