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All trailers or semitrailers must be equipped with clearance lamps, side marker lamps and side reflectors if their width is ___________.

1) 80 inches or more
2) 60 inches or more
3) 72 inches or more
4) 96 inches or more

1 Answer

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Final answer:

The maximum distance at which the human eye can resolve two car headlights that are 1.3 meters apart, assuming a pupil diameter of 0.40 cm, involves understanding the Rayleigh criterion from high school physics.

Step-by-step explanation:

The question relates to the maximum distance at which the eye can resolve two headlights of a car that are 1.3 meters apart, given that the pupil diameter is 0.40 cm.

This is a typical problem that involves the concept of angular resolution, which is often included in high school physics curriculum. To answer this question, one would typically use the Rayleigh criterion formula from optics, which relates the resolving power of an optical instrument (like the human eye) to the wavelength of light and the diameter of the lens or mirror that is gathering the light.

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