Vinh (vista32493)

Race #1239

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Official speed 90.85 wpm (42.80 seconds elapsed during race)
Race Start July 18, 2020 4:45:58pm UTC
Race Finish July 18, 2020 4:46:41pm UTC
Outcome Win (1 of 5)
Opponents 5. raz3124 (69.17 wpm)
Accuracy 98.0%
Points 93.88
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.