12. The following graph is the 2.5 acceleration versus time for the 2 motion of a bike. If the bike starts from the origin with initial velocity 4.0 m/s, what is the total distance it travels during the 5.0 1.5 1 0.5 seconds of motion? 0 -0.5 -1 -1.5 t (s) (su) e

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### Distance Calculation from Acceleration-Time Graph

**Question:**

12. The following graph is the acceleration versus time for the motion of a bike. If the bike starts from the origin with initial velocity 4.0 m/s, what is the total distance it travels during the 5.0 seconds of motion?

**Graph Explanation:**

The graph provided is a plot of acceleration (a) versus time (t). The x-axis represents time in seconds (s), ranging from 0 to 5 seconds. The y-axis represents acceleration in meters per second squared (m/s²), ranging from -1.5 to 2.5 m/s². 

Points plotted on the graph are as follows:
- At t = 0 s, a ≈ 2.
- At t = 1 s, a exists (though the exact value isn't required for calculating total displacement).
- At t = 2 s, a ≈ -1.
- At t = 3 s, a ≈ -1.5.
- At t = 4 s, a ≈ -1.
- At t = 5 s, a ≈ -1.

**Solution Explanation:**

To find the total distance travelled by the bike, we need to perform the following steps:

1. **Understand the Initial Conditions**: The bike starts from the origin with an initial velocity of 4.0 m/s.

2. **Use the Area Under the Graph**: The area under the acceleration-time graph provides the change in velocity.

3. **Calculate Velocity at Various Points**:
   - For t = 0 to t = 1, the area is approximately 2 * 1 = 2 m/s²·s (positive area).
   - For t = 1 to t = 2, the area is approximately (-1) * 1 = -1 m/s²·s (negative area).
   - For t = 2 to t = 3, the area is approximately (-1.5) * 1 = -1.5 m/s²·s (negative area).
   - For t = 3 to t = 4, the area is approximately (-1) * 1 = -1 m/s²·s (negative area).
   - For t = 4 to t = 5, the area is approximately (-1) * 1 = -1 m/s²·s (negative area).
Transcribed Image Text:### Distance Calculation from Acceleration-Time Graph **Question:** 12. The following graph is the acceleration versus time for the motion of a bike. If the bike starts from the origin with initial velocity 4.0 m/s, what is the total distance it travels during the 5.0 seconds of motion? **Graph Explanation:** The graph provided is a plot of acceleration (a) versus time (t). The x-axis represents time in seconds (s), ranging from 0 to 5 seconds. The y-axis represents acceleration in meters per second squared (m/s²), ranging from -1.5 to 2.5 m/s². Points plotted on the graph are as follows: - At t = 0 s, a ≈ 2. - At t = 1 s, a exists (though the exact value isn't required for calculating total displacement). - At t = 2 s, a ≈ -1. - At t = 3 s, a ≈ -1.5. - At t = 4 s, a ≈ -1. - At t = 5 s, a ≈ -1. **Solution Explanation:** To find the total distance travelled by the bike, we need to perform the following steps: 1. **Understand the Initial Conditions**: The bike starts from the origin with an initial velocity of 4.0 m/s. 2. **Use the Area Under the Graph**: The area under the acceleration-time graph provides the change in velocity. 3. **Calculate Velocity at Various Points**: - For t = 0 to t = 1, the area is approximately 2 * 1 = 2 m/s²·s (positive area). - For t = 1 to t = 2, the area is approximately (-1) * 1 = -1 m/s²·s (negative area). - For t = 2 to t = 3, the area is approximately (-1.5) * 1 = -1.5 m/s²·s (negative area). - For t = 3 to t = 4, the area is approximately (-1) * 1 = -1 m/s²·s (negative area). - For t = 4 to t = 5, the area is approximately (-1) * 1 = -1 m/s²·s (negative area).
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