As you walk at 1.5 m/s toward a mirrored wall in a department store, how fast are approaching your image?
A) 1.5 m/s
B) 3.0 m/s
C) 6.0 m/s
D) 0.75 m/s
E) 0.0 the image stays at a constant distance

Question

Quizplus · Accepted Answer

When you walk towards a mirror at a certain speed, your image in the mirror approaches you at the same speed. Therefore, if you are moving at 1.5 m/s towards the mirror, your image is also moving towards you at 1.5 m/s, making the relative speed 3.0 m/s.

As You Walk at 1