Question

A person approaches a flat mirror at a speed of 0.25 m / s. How fast is he approaching his image?

When writing the answer, the number and unit of measurement are written in the SI system, without a space.

Answer 1

• Flat mirror is given here
• We know that in a flat mirror the distance of object from the mirror is equal to distance of image from the mirror i.e v=u
• Only the side of image changes ime left is seemed right.

So the speed remains same 0.25m/s.