Tim (phuc131)

Race #545

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Official speed 74.20 wpm (52.40 seconds elapsed during race)
Race Start January 18, 2018 10:58:59am UTC
Race Finish January 18, 2018 10:59:52am UTC
Outcome Win (1 of 5)
Opponents 2. chanrin22 (69.13 wpm)
4. waseemraja (56.09 wpm)
5. r3dcherry (55.65 wpm)
Accuracy 99.0%
Points 76.67
Text #3622413 (Length: 324 characters)

The observed brightness of a Lambertian surface may be written as the product of an albedo factor, p, and the cosine of the incident angle, cos i. This means that brightness can be written as a product of a term that depends on the material, p, and a term that depends on surface direction, which in turn depends on f and g.