**Lab7P110-ConstVe2** **Procedure** The focus of this experiment is the recording of the displacement of a small cart rolling on low-friction wheels at uniform intervals of time. The record is made by a device called a time interval marker. The moving cart pulls a strip of specially coated paper tape through the time interval marker, and marks are imprinted on the tape at regular intervals of time. The marks on the paper tape provide a record of the displacement of the cart as a function of time. If the marks on the tape are uniformly spaced, the cart whose motion was recorded is moving with constant velocity. See Figure 2. *Figure 2: A record of a constant velocity motion with marks at regular intervals, starting from the left and moving to the right.* **Data** *Table 1* | Elapsed time (s) | Displacement (cm) | |------------------|-------------------| | 0.0 | 0.0 | | 0.1 | 1.9 | | 0.2 | 4.1 | | 0.3 | 5.8 | | 0.4 | 8.0 | | 0.5 | 10.1 | | 0.6 | 11.0 | | 0.7 | 14.0 | | 0.8 | 16.2 | | 0.9 | 18.2 | **Analysis** 1. Use the data recorded in Table 1 to plot a graph of the displacement of the cart (vertical axis) as a function of time (horizontal axis). Plot the straight line of best fit. 2. Determine the slope of the line in your graph by selecting two points on the line (don't select points from Table 1). This is the velocity of the cart. Velocity = __________
**Lab7P110-ConstVe2** **Procedure** The focus of this experiment is the recording of the displacement of a small cart rolling on low-friction wheels at uniform intervals of time. The record is made by a device called a time interval marker. The moving cart pulls a strip of specially coated paper tape through the time interval marker, and marks are imprinted on the tape at regular intervals of time. The marks on the paper tape provide a record of the displacement of the cart as a function of time. If the marks on the tape are uniformly spaced, the cart whose motion was recorded is moving with constant velocity. See Figure 2. *Figure 2: A record of a constant velocity motion with marks at regular intervals, starting from the left and moving to the right.* **Data** *Table 1* | Elapsed time (s) | Displacement (cm) | |------------------|-------------------| | 0.0 | 0.0 | | 0.1 | 1.9 | | 0.2 | 4.1 | | 0.3 | 5.8 | | 0.4 | 8.0 | | 0.5 | 10.1 | | 0.6 | 11.0 | | 0.7 | 14.0 | | 0.8 | 16.2 | | 0.9 | 18.2 | **Analysis** 1. Use the data recorded in Table 1 to plot a graph of the displacement of the cart (vertical axis) as a function of time (horizontal axis). Plot the straight line of best fit. 2. Determine the slope of the line in your graph by selecting two points on the line (don't select points from Table 1). This is the velocity of the cart. Velocity = __________
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Chapter1: Units, Trigonometry. And Vectors
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Transcribed Image Text:**Lab7P110-ConstVe2**
**Procedure**
The focus of this experiment is the recording of the displacement of a small cart rolling on low-friction wheels at uniform intervals of time. The record is made by a device called a time interval marker. The moving cart pulls a strip of specially coated paper tape through the time interval marker, and marks are imprinted on the tape at regular intervals of time. The marks on the paper tape provide a record of the displacement of the cart as a function of time. If the marks on the tape are uniformly spaced, the cart whose motion was recorded is moving with constant velocity. See Figure 2.
*Figure 2: A record of a constant velocity motion with marks at regular intervals, starting from the left and moving to the right.*
**Data**
*Table 1*
| Elapsed time (s) | Displacement (cm) |
|------------------|-------------------|
| 0.0 | 0.0 |
| 0.1 | 1.9 |
| 0.2 | 4.1 |
| 0.3 | 5.8 |
| 0.4 | 8.0 |
| 0.5 | 10.1 |
| 0.6 | 11.0 |
| 0.7 | 14.0 |
| 0.8 | 16.2 |
| 0.9 | 18.2 |
**Analysis**
1. Use the data recorded in Table 1 to plot a graph of the displacement of the cart (vertical axis) as a function of time (horizontal axis). Plot the straight line of best fit.
2. Determine the slope of the line in your graph by selecting two points on the line (don't select points from Table 1). This is the velocity of the cart.
Velocity = __________
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