Question

Calculate the speed of the car at each checkpoint by dividing the distance between each checkpoint in meters by the change in time. Record your answers in Table C of your Student Guide. The speed at the first quarter checkpoint is m/s. The speed at the second quarter checkpoint is m/s. The speed at the third quarter checkpoint is m/s. The speed at the finish line is m/s.

Answer 1

The speed of the car at each checkpoint cannot be determined because the parameter is not given.

What is the speed of a moving car?

For a moving car, the speed can be defined as the change magnitude in the position of a car or the distance traveled by the car within a specified time.

Mathematically;

$\mathbf{speed = \dfrac{distance}{time}}$

From the information given; the distance at each checkpoint can be calculated by finding the difference in distance between the previous checkpoint and subsequent checkpoint divided by the change in time.

i.e

$\mathbf{speed = \dfrac{d_A - d_B}{\Delta t}}$

where:

• $\mathbf{d_A-d_B}$ = distance between checkpoints A and B

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