Question

A car is travelling at a constant speed of 25 m/s. It begins to accelerate at a rate of 2.7 m/s2 for 7.1 seconds.
(a) How far does it travel during this time?

Answer 1

The final speed of the car is

$$v_f=v_i+at=25+2.7\cdot7.2=44\text{ m/s}.$$