Calculate the average velocity for a remote controlled vehicle that starts with a speed of 1.0 m/s [forward] and then accelerates at

0.08 m/s2 [backward] for 4.0 s.

3 answers

vf=vi+at remember a is negative.

average velocity=(vi+vf)/2
do i solve for vf in the vf=vi+at equation , then put thr average velocity ?
yes, of course.