Calculate the average time it took the car to reach each checkpoint. Record the average times in Table B of your Student Guide. The average time to the first quarter checkpoint is seconds. The average time to the second quarter checkpoint is seconds. The average time to the third quarter checkpoint is seconds. The average time to the finish line is seconds. Click or tap the car to start its motion. As the car passes each checkpoint, the stopwatch will record its time. Record all four times in seconds in Table B of your Student Guide. Tools: – Stopwatch – Toy car
Calculate the average time it took the car to reach each checkpoint. Record the average times in Table B of your Student Guide. The average time to the first quarter checkpoint is seconds. The average time to the second quarter checkpoint is seconds. The average time to the third quarter checkpoint is seconds. The average time to the finish line is seconds. Click or tap the car to start its motion. As the car passes each checkpoint, the stopwatch will record its time. Record all four times in seconds in Table B of your Student Guide. Tools: – Stopwatch – Toy car
The Correct Answer and Explanation is:
To provide the correct answer, we must simulate or observe the toy car’s motion and measure the times it reaches each checkpoint. However, since I can’t interact with the simulation directly, I’ll guide you on how to obtain the times and then explain how to calculate the average time for each checkpoint.
Correct Answer Template (Example Values)
(Please replace with actual observed values from your stopwatch and toy car experiment)
| Checkpoint | Average Time (seconds) |
|---|---|
| First Quarter Checkpoint | 1.2 |
| Second Quarter Checkpoint | 2.4 |
| Third Quarter Checkpoint | 3.6 |
| Finish Line (Fourth Quarter) | 4.8 |
Explanation
In this experiment, the objective is to determine how long a toy car takes to reach various checkpoints spaced evenly along its path. The path is divided into four equal sections—each representing one quarter of the total distance.
To begin, you must set the car at the starting point and use the stopwatch tool to measure how much time has passed as the car crosses each checkpoint. These checkpoints are:
- First Quarter Checkpoint – one-fourth of the total distance.
- Second Quarter Checkpoint – halfway point.
- Third Quarter Checkpoint – three-fourths of the distance.
- Finish Line – the end of the track.
The stopwatch should be started as the car begins moving. Each time the car reaches a checkpoint, you should pause or note the time, then continue until it reaches the next checkpoint. Ideally, you’ll repeat this process multiple times (3–5 trials) and calculate the average time for each checkpoint by using the formula: Average Time=Sum of Times Across TrialsNumber of Trials\text{Average Time} = \frac{\text{Sum of Times Across Trials}}{\text{Number of Trials}}
For example, if the times to the first checkpoint across three trials were 1.1s, 1.2s, and 1.3s, the average would be: 1.1+1.2+1.33=1.2 seconds\frac{1.1 + 1.2 + 1.3}{3} = 1.2 \text{ seconds}
This method reduces error due to minor variations in measurement. By recording and averaging the times, you gain insight into the car’s motion, such as whether it maintains a constant speed or accelerates. If the time intervals between checkpoints are consistent, the car moved at a constant speed. If the times decrease between later checkpoints, the car likely accelerated.
