A particle with a mass of 1.20 kg is acted on by a force Fx acting in the x-direction. If the magnitude of the force varies in time as shown in the figure below, determine the following. (a) Impulse of the force (in kg · m/s ) (b) Final velocity of the particle (in m/s) if it is initially at rest (c) Find the final velocity of the particle (in m/s) if it is initially moving along the x-axis with a velocity of −2.30 m/s.

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A particle with a mass of 1.20 kg is acted on by a force Fx acting in the x-direction. If the magnitude of the force varies in time as shown in the figure below, determine the following.

(a) Impulse of the force (in kg · m/s )

(b) Final velocity of the particle (in m/s) if it is initially at rest

(c) Find the final velocity of the particle (in m/s) if it is initially moving along the x-axis with a velocity of −2.30 m/s.

### Transcription and Explanation of the Force vs. Time Graph

**Graph Title: Force vs. Time Graph**

**Axes:**
- The horizontal axis (x-axis) represents time, \( t \), measured in seconds (s). The range is from 0 to 5 seconds.
- The vertical axis (y-axis) represents force, \( F_x \), measured in newtons (N). The range is from 0 to 8 newtons.

**Description:**
This graph illustrates how force varies with time. The plotted line is a piecewise linear function, which consists of three distinct segments:

1. **Segment 1 (Increasing Force):** 
   - From \( t = 0 \) to \( t = 2 \) seconds, the force increases linearly from 0 N to 8 N.
   - This segment represents a uniform increase in force.

2. **Segment 2 (Constant Force):** 
   - From \( t = 2 \) to \( t = 3 \) seconds, the force remains constant at 8 N.
   - This indicates a period where the exerted force does not change.

3. **Segment 3 (Decreasing Force):** 
   - From \( t = 3 \) to \( t = 5 \) seconds, the force decreases linearly back to 0 N.
   - This segment represents a uniform decrease in force, returning to the initial state.

**Analysis:**
- The graph shows a symmetric trapezoidal shape for the force over time.
- The increase and decrease in force are equal in duration and magnitude but occur at different times.
- Such graphs are useful for understanding how dynamic systems respond to changes in applied forces, which is crucial in physics and engineering applications.
Transcribed Image Text:### Transcription and Explanation of the Force vs. Time Graph **Graph Title: Force vs. Time Graph** **Axes:** - The horizontal axis (x-axis) represents time, \( t \), measured in seconds (s). The range is from 0 to 5 seconds. - The vertical axis (y-axis) represents force, \( F_x \), measured in newtons (N). The range is from 0 to 8 newtons. **Description:** This graph illustrates how force varies with time. The plotted line is a piecewise linear function, which consists of three distinct segments: 1. **Segment 1 (Increasing Force):** - From \( t = 0 \) to \( t = 2 \) seconds, the force increases linearly from 0 N to 8 N. - This segment represents a uniform increase in force. 2. **Segment 2 (Constant Force):** - From \( t = 2 \) to \( t = 3 \) seconds, the force remains constant at 8 N. - This indicates a period where the exerted force does not change. 3. **Segment 3 (Decreasing Force):** - From \( t = 3 \) to \( t = 5 \) seconds, the force decreases linearly back to 0 N. - This segment represents a uniform decrease in force, returning to the initial state. **Analysis:** - The graph shows a symmetric trapezoidal shape for the force over time. - The increase and decrease in force are equal in duration and magnitude but occur at different times. - Such graphs are useful for understanding how dynamic systems respond to changes in applied forces, which is crucial in physics and engineering applications.
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