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Homework 41. Suppose we place a circular, perfectly reflective mirror in orbit around the Earth. It has a massof 1 kilogram. What radius must it have so that the force on it from the Sun’s gravity exactlymatches the force on it from the Sun’s radiation?2. The fingers on your hand are approximately 0.5 cm apart. Ignoring atmosphericblurring, what size mirror would a spy satellite have to have in order to tell how many fingersyou are holding up at it using visible light (wavelength = 500 nm) at an altitude of 200 km?
3. Explain how sustained fission reactions are produce2d in nuclear power plants.

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Term
Winter
Professor
VirginaTrimble
Tags
Nuclear Fission, Ion drives

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