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Unformatted text preview: regular sail catches wind. One could even imagine trying to escape the solar system this way. The sun has a mass of 2 × 10 30 kg and emists 4 × 10 26 W of power. (a) If the sail absorbs all of the light that reaches it, what is the maximum surface density the sail could have and still escape to inﬁnity? (b) What if the sail is a perfect reﬂector? (c) How feasible do you think these quantities are? 1...
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This note was uploaded on 10/05/2009 for the course PHYSICS 7C taught by Professor Lin during the Spring '08 term at Berkeley.
- Spring '08
- Quantum Physics