the velocity of a car traveling in the positive direction decreases from 40 m/s to 32 m/s in 5 seconds. what is the average acceleration of the car in this process?

Answers

Answer 1

The average acceleration of the car in the whole process is [tex]-1.92 m/s^2[/tex].

Acceleration is defined as the rate of change of velocity with respect to time. In this case, the velocity of the car decreases from 40 m/s to 32 m/s over a period of 5 seconds. To calculate the average acceleration, we can use the formula:

acceleration = (final velocity - initial velocity) / time elapsed.

Plugging in the given values, we get:

acceleration = (32 m/s - 40 m/s) / 5 s = [tex]-1.92 m/s^2[/tex].

This means that the average acceleration of the car is -1.92 m/s^2, indicating that it is slowing down. The negative sign indicates that the acceleration is in the opposite direction to the velocity of the car, which is traveling in the positive direction.

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