College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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23. A ball is dropped from a window, and bounces three times. The first bounce is 1 meter high. The second bounce is meter high. The third bounce is 7 centimeters high. The ball then rolls and comes to a stop.
What has happened to the energy of the ball when it has come to a stop?
A. The potential energy in the ball decreased.
B. The kinetic energy of the ball increased.
C. The potential energy is transformed to kinetic energy.
D. As the energy of the ball is transferred, the potential energy increases.
Transcribed Image Text:### Energy Transformation in a Bouncing Ball
**Text:**
23. A ball is dropped from a window, and bounces three times. The first bounce is 1 meter high. The second bounce is \( \frac{1}{2} \) meter high. The third bounce is 7 centimeters high. The ball then rolls and comes to a stop.
**Diagram Explanation:**
The diagram illustrates the sequence of events when a ball is dropped from a height of 3 meters out of a window. It shows:
- **Bounce 1:** After being dropped, the ball rebounds to a height of 1 meter.
- **Bounce 2:** Subsequent to the first bounce, the ball achieves a height of 0.5 meters.
- **Bounce 3:** The height reached after the third bounce is 7 centimeters.
- Finally, the ball rolls and comes to a stop at ground level.
The diagram is set against the backdrop of a brick wall, a window, and a plant, indicating a typical urban environment.
**Question:**
What has happened to the energy of the ball when it has come to a stop?
**Options:**
A. The potential energy in the ball decreased.
B. The kinetic energy of the ball increased.
C. The potential energy is transformed to kinetic energy.
D. As the energy of the ball is transferred, the potential energy increases.
---
This graphical example serves as an illustration of energy transformation, particularly focusing on the transition between potential and kinetic energy as the ball loses height and eventually stops.
Transcribed Image Text:**Image Description for Educational Website:**
**Text:**
23. A ball is dropped from a window, and bounces three times. The first bounce is 1 meter high. The second bounce is \(\frac{1}{2}\) meter high. The third bounce is 7 centimeters high. The ball then rolls and comes to a stop.
**Diagram:**
The diagram illustrates the motion of a ball dropped from a window. It shows:
- A person releasing a ball from a window that is indicated to be 3 meters high.
- The ball makes its first bounce, reaching a height of 1 meter.
- The ball then makes a second bounce, reaching a height of 0.5 meters (labeled as 2 meters by error).
- The third bounce reaches a height of 7 centimeters.
- After the third bounce, the ball stops rolling.
**Question:**
What has happened to the energy of the ball when it has come to a stop?
- A. The potential energy in the ball decreased.
- B. The kinetic energy of the ball increased.
- C. The potential energy is transformed to kinetic energy.
- D. As the energy of the ball is transferred, the potential energy increases.
**Explanation:**
This illustration is useful for understanding the conservation of energy in the context of gravity and mechanical energy transformations during bouncing and rolling motions.
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