Urgency (urgency)

Race #4683

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Official speed 79.92 wpm (48.65 seconds elapsed during race)
Race Start September 6, 2019 3:24:24am UTC
Race Finish September 6, 2019 3:25:13am UTC
Outcome No win (2 of 5)
Accuracy 97.0%
Points 82.58
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.