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
Unitary Method
The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products.
Speed, Time, and Distance
Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 miles away.
Profit and Loss
The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.
Units and Measurements
Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experiments to set up the devices.
![### 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).](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F838861be-5389-4021-b2a9-c2247c81cbf2%2F0c1a53f2-259f-4d6e-80a4-e7b965432be2%2Fmnrj5ht_processed.png&w=3840&q=75)
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