When you approach a vertical plane mirror at a speed of 1.0 m/s, you approach your image at a speed of
A) 2.0 m/s.
B) 1.0 m/s.
C) 0.50 m/s.
D) 0.25 m/s.
E) More information is needed to work out the answer.

Question

Quizplus · Accepted Answer

When you move towards a mirror at a speed of 1.0 m/s, your image in the mirror moves towards you at the same speed. Therefore, the relative speed at which you and your image approach each other is 2.0 m/s.

When You Approach a Vertical Plane Mirror at a Speed