Question

When you see a traffic light turn red, you apply the brakes until you come to a stop. If your initial speed was 12 m/s, and you were heading due west, what was your average velocity during breaking? Assume constant deceleration.

Answer 1

i don't know, may be an average of final and initial velocity. that would be 12m/s and 0m/s.
may be

Answer 2

That's what I was assuming. Thanks for your help, let's hope that it's right

Answer 3

You got it! Thanks