RyanNXD0120 (xuanduy1269)

Race #4957

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Official speed 78.17 wpm (49.74 seconds elapsed during race)
Race Start July 18, 2019 3:59:55pm UTC
Race Finish July 18, 2019 4:00:45pm UTC
Outcome No win (3 of 5)
Opponents 4. man_onatree (73.74 wpm)
Accuracy 96.0%
Points 80.78
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.