The car's average acceleration is 8.44 ft/s².
Acceleration is defined as the rate of change of velocity per unit time. It is usually denoted by the letter a.
Here, we are given that a car travels on a straight road. Starting from rest, the car is going at 38 ft/s (26 mi/h) at the end of 4.5 s.
Acceleration of an object can be calculated using the given formula-
acceleration = velocity/ time
Here, the velocity of the car will be 38 ft/s
and the time is equal to 4.5 seconds.
Thus, putting these formulas in the equation, we get-
acceleration of the car = 38/ 4.5
= 380/ 45
= 8.44
Thus, the car's average acceleration is 8.44 ft/s².
Learn more about acceleration here-
https://brainly.in/question/571983
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