The writing on the passenger-side mirror of your car says \"Warning! Objects are

Question

The writing on the passenger-side mirror of your car says "Warning! Objects are closer than they appear." There is no such warning on the driver's mirror. Consider a typical convex passenger-side mirror with a focal length of -80cm . A 1.5m -tall cyclist on a bicycle is 24m from the mirror. You are 1.2m from the mirror, and suppose, for simplicity, that the mirror, you, and the cyclist all lie along a line.

A) What is the angular size of the image of the cyclist?

B) What would the angular size of the cyclist's image have been if the mirror were flat?

Explanation / Answer

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