© Department of Physics, University of Guelph.
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1. What angle does a 25-cent piece (2.4 cm in diameter) in Hamilton suspend at Guelph (distance 50 km)?
2. The racing driver Lotta Lotus has pupil diameters of 2.00 mm and normal vision. If the night is clear, what is the maximum distance at which she can distinctly see another car's two headlights? (Assume a headlight spacing of 1.50 m and a wavelength of 550 nm.)
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