Question

2) A car starting from rest acquires a speed of 40m/s in a distance of 80m. Calculate(i) the
speed of the car at the end of 3 seconds​

Answer 1

Explanation:

car starts at rest. It acquires the speed of 25 m/s after 20 s. ... 19 seconds a 1 meter per second then 1 second with average velocity 25 m/s for a total of 44 meters in that 20 seconds. you mentioned nothing about constant velocity or constant acceleration.