I'm driving along at a constant speed in my 3 meter long car when I notice that I am accidentally driving through a red light. If the rear of my car passes under the light 0.3 seconds after the front of my car, how fast am I driving in m/s?

Answer 1

d = r*t = 3 m.
r * 0.3 = 3
r = 10 m/s. = Rate of speed.