Part 1) Warm-up: What is the angle that maximizes the range of a projectile if fired across a flat surface (see below) Range Find the max range if the projectile speed is 3.0 m/s. a) Find the range of the projectile if it is fired at 20. degrees above the horizon. Write your answer as a numerical value. b) Find the range of the projectile if it is fired at an arbitrary angle ". Write your answer as an algebraic expression.

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**Projectile Motion Exploration**

**Part 1: Warm-up**  
Determine the angle that maximizes the range of a projectile when fired across a flat surface.

*Diagram Description:*  
The diagram illustrates a projectile path with an arrow indicating the angle \( \theta \) and defining the "Range" as the horizontal distance traveled by the projectile.

**Tasks:**

1. **Maximum Range Calculation:**
   - Calculate the maximum range if the projectile speed is 3.0 m/s.

2. **Specific Angle Calculation:**
   - Find the range of the projectile if it is fired at 20 degrees above the horizon. Provide a numerical value for your answer.

3. **General Angle Calculation:**
   - Derive an algebraic expression for the range when the projectile is fired at an arbitrary angle \( \theta \).

4. **Range Equation Analysis:**
   - Solve for the angle \( \theta \) when the range \( R = 0 \).
   - Provide an explanation of why certain angles result in zero range.
   - Illustrate the projectile's trajectory for angles that yield zero range.

5. **Graphical Representation:**
   - Sketch a graph showing the relationship between range and angle \( \theta \).

6. **Optimal Angle Investigation:**
   - Determine the angle \( \theta \) for which the range is maximized.
   - Use calculus by differentiating the range equation \( \frac{dR}{d\theta} \), setting the derivative equal to zero, and solving for \( \theta \).

7. **Table Launch Scenario:**
   - Calculate the range when the projectile is fired at 20 degrees above the horizon and launched from a table 2.0 meters high.

8. **Experimental Comparison:**
   - Repeat previous steps for an arbitrary angle \( \theta \) and height \( h \).
   - Compare theoretical results with experimental data collected in a lab.

This educational module aims to deepen understanding of projectile motion dynamics and their practical applications through theoretical analysis and experimental validation.
Transcribed Image Text:**Projectile Motion Exploration** **Part 1: Warm-up** Determine the angle that maximizes the range of a projectile when fired across a flat surface. *Diagram Description:* The diagram illustrates a projectile path with an arrow indicating the angle \( \theta \) and defining the "Range" as the horizontal distance traveled by the projectile. **Tasks:** 1. **Maximum Range Calculation:** - Calculate the maximum range if the projectile speed is 3.0 m/s. 2. **Specific Angle Calculation:** - Find the range of the projectile if it is fired at 20 degrees above the horizon. Provide a numerical value for your answer. 3. **General Angle Calculation:** - Derive an algebraic expression for the range when the projectile is fired at an arbitrary angle \( \theta \). 4. **Range Equation Analysis:** - Solve for the angle \( \theta \) when the range \( R = 0 \). - Provide an explanation of why certain angles result in zero range. - Illustrate the projectile's trajectory for angles that yield zero range. 5. **Graphical Representation:** - Sketch a graph showing the relationship between range and angle \( \theta \). 6. **Optimal Angle Investigation:** - Determine the angle \( \theta \) for which the range is maximized. - Use calculus by differentiating the range equation \( \frac{dR}{d\theta} \), setting the derivative equal to zero, and solving for \( \theta \). 7. **Table Launch Scenario:** - Calculate the range when the projectile is fired at 20 degrees above the horizon and launched from a table 2.0 meters high. 8. **Experimental Comparison:** - Repeat previous steps for an arbitrary angle \( \theta \) and height \( h \). - Compare theoretical results with experimental data collected in a lab. This educational module aims to deepen understanding of projectile motion dynamics and their practical applications through theoretical analysis and experimental validation.
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