1- The slope of a motion plot tells describe hat kind of motion we have. Describe each slope как це

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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### Understanding Motion through Graphs

**Step 1**: The slope of a motion plot helps describe the type of motion. For each plot, observe the slope and describe it.

**Step 2**: Use the Y-axis label to identify the motion described by the slope:
- If the plot has:
  - **d** or position on the Y-axis
  - **v** or speed on the Y-axis

**Slope Equals**:
- Velocity or Speed (slope = Δd/Δt = v)
- Acceleration (slope = Δv/Δt = a)

### Graph Descriptions

1. **Graph 1**: Position (d in cm) vs. Time (t in sec)
   - **Shape**: Exponential-like curve
   - **Step 1: Slope?**:
   - **Step 2: Motion?**:

2. **Graph 2**: Position (d in cm) vs. Time (t in sec)
   - **Shape**: Linear increasing
   - **Step 1: Slope?**:
   - **Step 2: Motion?**:

3. **Graph 3**: Velocity (v in m/s) vs. Time (t in sec)
   - **Shape**: Linear increasing
   - **Step 1: Slope?**:
   - **Step 2: Motion?**:

4. **Graph 4**: Position vs. Time
   - **Shape**: Linear decreasing
   - **Additional Elements**: Points marked with \( t_1 \) and \( t_2 \), velocities \( v_1 \) and \( v_2 \)
   - Formula: \( a = \frac{v_2 - v_1}{t_2 - t_1} \)
   - **Step 1: Slope?**:
   - **Step 2: Motion?**:

In each plot, calculate the slope to determine the nature of the motion, whether it is uniform (constant speed) or involves acceleration. Use the formulas provided to derive speed or acceleration from the graphs.
Transcribed Image Text:### Understanding Motion through Graphs **Step 1**: The slope of a motion plot helps describe the type of motion. For each plot, observe the slope and describe it. **Step 2**: Use the Y-axis label to identify the motion described by the slope: - If the plot has: - **d** or position on the Y-axis - **v** or speed on the Y-axis **Slope Equals**: - Velocity or Speed (slope = Δd/Δt = v) - Acceleration (slope = Δv/Δt = a) ### Graph Descriptions 1. **Graph 1**: Position (d in cm) vs. Time (t in sec) - **Shape**: Exponential-like curve - **Step 1: Slope?**: - **Step 2: Motion?**: 2. **Graph 2**: Position (d in cm) vs. Time (t in sec) - **Shape**: Linear increasing - **Step 1: Slope?**: - **Step 2: Motion?**: 3. **Graph 3**: Velocity (v in m/s) vs. Time (t in sec) - **Shape**: Linear increasing - **Step 1: Slope?**: - **Step 2: Motion?**: 4. **Graph 4**: Position vs. Time - **Shape**: Linear decreasing - **Additional Elements**: Points marked with \( t_1 \) and \( t_2 \), velocities \( v_1 \) and \( v_2 \) - Formula: \( a = \frac{v_2 - v_1}{t_2 - t_1} \) - **Step 1: Slope?**: - **Step 2: Motion?**: In each plot, calculate the slope to determine the nature of the motion, whether it is uniform (constant speed) or involves acceleration. Use the formulas provided to derive speed or acceleration from the graphs.
### Analyzing Motion Through Graph Interpretation

This educational material helps students understand the interpretation of various graphs representing motion using concepts of slope and motion analysis.

#### Graph Analysis Steps

**Graph 1: Distance vs. Time**
- **Graph Representation:** The graph shows a curve where distance (d in centimeters) is plotted against time (t in seconds).
- **Step 1 - Slope:** Identify the slope of the curve.
- **Step 2 - Motion:** Determine the type of motion based on the slope (e.g., increasing or decreasing).

**Graph 2: Velocity vs. Time**
- **Graph Representation:** The graph displays a curve where velocity (V in cm/s) is plotted against time (t in seconds).
- **Step 1 - Slope:** Analyze the slope of the curve.
- **Step 2 - Motion:** Deduce the nature of the motion from the slope (e.g., constant acceleration).

#### Motion Description Examples

- **First Example:**
  - **Graph Representation:** Curve for velocity vs. time with increasing curvature.
  - **Motion Description:** Increasing acceleration.

- **Second Example:**
  - **Graph Representation:** Declining straight line for velocity vs. time.
  - **Motion Description:** Decreasing velocity, deceleration may occur.

- **Third Example:**
  - **Graph Representation:** Straight diagonal line for position vs. time.
  - **Motion Description:** Constant speed.

- **Fourth Example:**
  - **Graph Representation:** Steep curve for distance vs. time.
  - **Motion Description:** Increasing speed, accelerating motion.

- **Fifth Example:**
  - **Graph Representation:** Straight line for speed vs. time.
  - **Motion Description:** Constant speed (no acceleration).

- **Sixth Example:**
  - **Graph Representation:** Horizontal line for velocity vs. time.
  - **Motion Description:** Object at rest or moving at constant velocity.

This guide focuses on utilizing graph slopes to effectively describe different types of motions, guiding students in understanding kinetic concepts visually.
Transcribed Image Text:### Analyzing Motion Through Graph Interpretation This educational material helps students understand the interpretation of various graphs representing motion using concepts of slope and motion analysis. #### Graph Analysis Steps **Graph 1: Distance vs. Time** - **Graph Representation:** The graph shows a curve where distance (d in centimeters) is plotted against time (t in seconds). - **Step 1 - Slope:** Identify the slope of the curve. - **Step 2 - Motion:** Determine the type of motion based on the slope (e.g., increasing or decreasing). **Graph 2: Velocity vs. Time** - **Graph Representation:** The graph displays a curve where velocity (V in cm/s) is plotted against time (t in seconds). - **Step 1 - Slope:** Analyze the slope of the curve. - **Step 2 - Motion:** Deduce the nature of the motion from the slope (e.g., constant acceleration). #### Motion Description Examples - **First Example:** - **Graph Representation:** Curve for velocity vs. time with increasing curvature. - **Motion Description:** Increasing acceleration. - **Second Example:** - **Graph Representation:** Declining straight line for velocity vs. time. - **Motion Description:** Decreasing velocity, deceleration may occur. - **Third Example:** - **Graph Representation:** Straight diagonal line for position vs. time. - **Motion Description:** Constant speed. - **Fourth Example:** - **Graph Representation:** Steep curve for distance vs. time. - **Motion Description:** Increasing speed, accelerating motion. - **Fifth Example:** - **Graph Representation:** Straight line for speed vs. time. - **Motion Description:** Constant speed (no acceleration). - **Sixth Example:** - **Graph Representation:** Horizontal line for velocity vs. time. - **Motion Description:** Object at rest or moving at constant velocity. This guide focuses on utilizing graph slopes to effectively describe different types of motions, guiding students in understanding kinetic concepts visually.
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