A test car travels in a straight line along the x-axis. The graph in Fig. shows the car's position x as a function of time. Find its instantaneous velocity at points A through G x (m) 40 B 30 A P 20 10 1 2 3 4 5 D E 6 7 8 9 10 F G t(s)

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Chapter1: Units, Trigonometry. And Vectors
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**Title: Analyzing Instantaneous Velocity of a Car Using Position-Time Graph**

**Introduction:**
This exercise involves a test car traveling in a straight line along the x-axis. The goal is to analyze the car's motion through its position-time graph and calculate its instantaneous velocity at specific points.

**Graph Analysis:**
The graph represents the car's position \(x(t)\) in meters as a function of time \(t\) in seconds.

**Key Points on the Graph:**
- **Vertical Axis (x):** Represents position in meters.
- **Horizontal Axis (t):** Represents time in seconds.

**Points of Interest:**
- **A (t = 0 s, x = 10 m)**
- **B (t = 2 s, x = 35 m)**
- **C (t = 4 s, x = 40 m)**
- **D (t = 5 s, x = 30 m)**
- **E (t = 6 s, x = 20 m)**
- **F (t = 7 s, x = 0 m)**
- **G (t = 8 s, x = 10 m)**

**Objective:**
Calculate the instantaneous velocity of the car at points A through G.

**Conclusion:**
By examining the slope of the tangent line at each point, you can determine the instantaneous velocity. This exercise provides valuable insight into the relationship between position and velocity, illustrating how velocity is derived from the position-time graph.
Transcribed Image Text:**Title: Analyzing Instantaneous Velocity of a Car Using Position-Time Graph** **Introduction:** This exercise involves a test car traveling in a straight line along the x-axis. The goal is to analyze the car's motion through its position-time graph and calculate its instantaneous velocity at specific points. **Graph Analysis:** The graph represents the car's position \(x(t)\) in meters as a function of time \(t\) in seconds. **Key Points on the Graph:** - **Vertical Axis (x):** Represents position in meters. - **Horizontal Axis (t):** Represents time in seconds. **Points of Interest:** - **A (t = 0 s, x = 10 m)** - **B (t = 2 s, x = 35 m)** - **C (t = 4 s, x = 40 m)** - **D (t = 5 s, x = 30 m)** - **E (t = 6 s, x = 20 m)** - **F (t = 7 s, x = 0 m)** - **G (t = 8 s, x = 10 m)** **Objective:** Calculate the instantaneous velocity of the car at points A through G. **Conclusion:** By examining the slope of the tangent line at each point, you can determine the instantaneous velocity. This exercise provides valuable insight into the relationship between position and velocity, illustrating how velocity is derived from the position-time graph.
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