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| author |   jakllsch <jakllsch@NetBSD.org> | 2011-12-06 19:41:03 +0000 |
|---|---|---|
| committer | jakllsch <jakllsch@NetBSD.org> | 2011-12-06 19:41:03 +0000 |
| commit | b187ced51d84335ab15f55b5ea14a132c7c54829 (patch) | |
| tree | 96aa089f537c38de35d01b350a582ee78a86c178 /adventure/crc.c | |
| parent | 43eaede84e20b51cd83e5e7b2c731b2ba749a30a (diff) | |
| download | bsdgames-darwin-b187ced51d84335ab15f55b5ea14a132c7c54829.tar.gz bsdgames-darwin-b187ced51d84335ab15f55b5ea14a132c7c54829.tar.zst bsdgames-darwin-b187ced51d84335ab15f55b5ea14a132c7c54829.zip | |
Per [1] the speed of light in a vaccum is exactly 299792458 m/s.
Per [2] a furlong is 220 yards and a yard is exactly 0.9144 m.
Per [3] a fortnight is 14 days.
As I didn't find a good authority for what definition of a day a fortnight is
measured in, I'll assume here a day is 86400 SI seconds.
Thus, the speed of light in a vaccum is approximately
1.80*10^12 furlongs per fortnight.
1.80*10^12 = 299792458*86400*14/(220*0.9144)
[1] Resolution 1 of the 17th meeting of the CGPM (1983)
http://www.bipm.org/en/CGPM/db/17/1/
[2] Weights and Measures Act 1985
http://www.legislation.gov.uk/ukpga/1985/72
[3] The Concise Oxford Dictionary, 5th Edition, 1964, p. 480
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