A spy satellite orbiting 400 km above Earth is supposedly capable of counting individual people in… 1 answer below »

A spy satellite orbiting 400 km above Earth is supposedly capable of counting individual people in a crowd in visual-wavelength images. Assume that the middle of the visual wavelength band is a wavelength of 550 nm. Assume an average person seen from above has a size of 0.7 meters. Use the small-angle formula (Chapter 3) and the formula for telescope resolving power to estimate the minimum diameter of the telescope the satellite must carry  

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