How fast does a person approach his image in a flat mirror, if he approaches the mirror with a speed of v = 0.75 m / s.

univerkov | June 3, 2021 | education

The image in a flat mirror of a person will have a speed equal to the speed of the person himself, therefore, the total speed of convergence of a person and his image in a flat mirror will be equal to the sum of their two speeds.
V = V1 + V2, where V1 is the speed of a person (V1 = 0.75 m / s), V2 is the speed of a person’s image (V2 = 0.75 m / s).
V = V1 + V2 = 0.75 + 0.75 = 1.5 m / s.
Answer: A person approaches his image at a speed of 1.5 m / s.

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