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{All P-4 Ch-16 pg-53 Q13}

It seems like you're referring to a specific question from your textbook, but since I can't view images or attachments, I’ll guide you through a common type of question that might appear in a chapter about physics or mathematics, particularly focusing on concepts like motion, forces, or equations. If you can provide the text of the question, I can give a more tailored response. For now, let’s discuss a typical problem involving motion, which often appears in educational materials.

Understanding Motion and Forces

In physics, when we talk about motion, we often refer to how objects move under the influence of forces. A common scenario might involve calculating the distance traveled by an object under constant acceleration. Let’s break this down step by step.

Key Concepts

• Acceleration: This is the rate of change of velocity of an object. It can be positive (speeding up) or negative (slowing down).
• Velocity: This is the speed of an object in a given direction.
• Distance: This is how far an object has traveled during its motion.

Example Problem

Imagine a car that starts from rest and accelerates at a constant rate of 2 m/s² for 5 seconds. We want to find out how far the car travels during this time.

Step 1: Identify the Variables

Here, we have:

• Initial velocity (u) = 0 m/s (since it starts from rest)
• Acceleration (a) = 2 m/s²
• Time (t) = 5 seconds

Step 2: Use the Equation of Motion

We can use the equation of motion that relates distance (s), initial velocity (u), acceleration (a), and time (t):

s = ut + (1/2)at²

Step 3: Plug in the Values

Substituting the known values into the equation:

s = (0)(5) + (1/2)(2)(5²)

This simplifies to:

s = 0 + (1/2)(2)(25)

s = 25 meters

Final Thoughts

So, the car travels a distance of 25 meters in 5 seconds under constant acceleration. This example illustrates how to apply the concepts of motion and the equations that govern it. If you have a specific question or a different topic in mind, feel free to share, and I’d be happy to help further!