The mirror is brought closer to the object at a speed of 0.5 m / s. At what speed does the image of an object in the mirror move?

The distance between the object and the mirror decreases at a speed of 0.5 m / s, the distance between the image and the mirror also decreases at a speed of 0.5 m / s. Therefore, the distance between the object and its image decreases at a speed of 1 m / s.

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