alleryStart learning →You walk toward a plane mirror at 2 m/s. At what speed does your reflection approach you?
A2 m/s
B8 m/s
C1 m/s
D4 m/s
Answer & Solution
Correct answer: D. 4 m/s
The image moves toward the mirror at 2 m/s too, so the gap between you and it closes at 2 + 2 = 4 m/s.
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