If the headlights on a car are separated by 1.3 m, how far down the road can they be resolved if the angular resolution of the eye is 5.0 × 10-4 rad and the person has excellent vision?
A) 1.3 km
B) 5.0 km
C) 4.8 km
D) 0.65 km
E) 2.6 km
Answer: E
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C. 
D. 
E. 