A dog sitting 2.2m from a vertical mirror thinks its image is another dog.

A)How far is the image from the dog?

B)To investigate, the dog walks directly toward the mirror at 0.28m/s . At what rate does the dog approach its image?

2 answers

The image is 4.4 m from the dog.

b. rate relative to the dog, or surroundings? Relative to the dog, .56m/s, relative to wall, .28m/s
A) 4.4m
B) .56 m/s