Question

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Question 1
Read the following passage about Potential and Kinetic Energy: Then answer the questions.

What is Kinetic Energy?
Kinetic energy is the energy of motion. Any object that is moving—whether it’s a rolling ball, a flying airplane, or a sprinting athlete—has kinetic energy. The amount of kinetic energy an object possesses depends on two main factors: its mass and its speed. The faster an object moves and the heavier it is, the more kinetic energy it has.

What is Potential Energy?
Potential energy, on the other hand, is stored energy. This type of energy is based on an object’s position or condition. An object can store energy due to its height above the ground, the tension in a stretched elastic band, or even its chemical composition.

The Relationship Between Kinetic and Potential Energy
Kinetic and potential energy often transform into each other. For instance, when you jump on a trampoline, your body has maximum potential energy at the peak of your jump. As you come back down, that potential energy changes into kinetic energy as you gain speed.

This transformation is also seen in roller coasters. At the top of a hill, the coaster has a lot of potential energy. As it descends, the potential energy changes into kinetic energy, making the ride thrilling and fast!

Everyday Examples of Kinetic and Potential Energy
Swinging on a Swing: When you’re at the highest point in the swing’s arc, you have maximum potential energy. As you swing down, that energy turns into kinetic energy.
A Pendulum: As a pendulum swings, it constantly shifts between kinetic and potential energy.
A Stretched Rubber Band: Pulling the rubber band gives it potential energy. When you let go, the potential energy is converted to kinetic energy as the band snaps back.
Why Is This Important?
Understanding kinetic and potential energy helps explain how energy works in real life. From playgrounds to science experiments, knowing how energy is stored and transferred can deepen your understanding of the physical world and even inspire you to explore concepts like renewable energy and engineering.

Energy isn’t just a concept you learn in school—it’s the force that keeps the world moving. The more we know about how energy works, the more we can use it to solve problems and create innovative solutions for the future.



1. According to the passage, why is it important to understand kinetic and potential energy?

(1 point)
Responses

To help us understand electricity.
To help us understand electricity.

The more we understand kinetic and potential energy, the more it helps us understand how things are made.
The more we understand kinetic and potential energy, the more it helps us understand how things are made.

The more we understand about kinetic and potential energy helps us to solve problems and create innovative solutions for the future.
The more we understand about kinetic and potential energy helps us to solve problems and create innovative solutions for the future.
Question 2
2. Use the graph to answer the follow question.

Graph: Roller Coaster Height vs. Distance Traveled

Height (m)

| A

30| /\ C

25| /\ /\

20| / \ B / \ D

15| / \ /\ / \ /\

10| / \ / \ / \ / \ E

5| / \ / \ / \/ \ /\

0|/_____________________\/___\_

Distance Traveled (m)



Identify the point where the roller coaster has the most potential energy.



(1 point)
Responses

Point A
Point A

Point B
Point B

Point C
Point C

Point D
Point D

Point E
Point E
Question 3
3. According to the graph, at which point does the roller coaster have the most kinetic energy?

Graph: Roller Coaster Height vs. Distance Traveled

Height (m)

| A

30| /\ C

25| /\ /\

20| / \ B / \ D

15| / \ /\ / \ /\

10| / \ / \ / \ / \

5| / \ / \ / \/ \

0|/_____________________\E

Distance Traveled (m)



(1 point)
Responses

Point A
Point A

Point B
Point B

Point C
Point C

Point D
Point D

Point E
Point E
Question 4
4. Using the graph and the passage, explain why the roller coaster car has more potential energy at certain points and more kinetic energy at others.

Answers

### Question 1
**1. According to the passage, why is it important to understand kinetic and potential energy?**

**Response:** The more we understand about kinetic and potential energy helps us to solve problems and create innovative solutions for the future.

### Question 2
**2. Identify the point where the roller coaster has the most potential energy.**

**Response:** Point A

### Question 3
**3. According to the graph, at which point does the roller coaster have the most kinetic energy?**

**Response:** Point E

### Question 4
**4. Using the graph and the passage, explain why the roller coaster car has more potential energy at certain points and more kinetic energy at others.**

The roller coaster car has more potential energy at points where it is at a higher elevation, such as Point A. At this point, the car is at the top of the hill, and the potential energy is maximized due to the height. As the roller coaster descends, the potential energy is converted into kinetic energy, which is the energy of motion. This transformation occurs because the car speeds up as it moves down, particularly at lower points in the track like Point E, where it reaches maximum kinetic energy due to its increased speed. Therefore, higher points correspond to increased potential energy, while lower points translate this potential energy into kinetic energy as the coaster accelerates.