A person jogs toward a plane mirror at a speed of 3 m/s.How fast is he approaching his image in the mirror?
A)1 5 m/s
B)3 m/s
C)4 m/s
D)5 m/s
E)6 m/s

Question

Quizplus · Accepted Answer

When a person moves towards a plane mirror at a speed of 3 m/s, the image in the mirror also moves towards the person at the same speed. Therefore, they are approaching each other at a combined speed of 6 m/s.

A Person Jogs Toward a Plane Mirror at a Speed