viper (viper3315)

Race #1661

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Official speed 54.27 wpm (71.64 seconds elapsed during race)
Race Start September 30, 2020 6:33:11pm UTC
Race Finish September 30, 2020 6:34:23pm UTC
Outcome No win (3 of 5)
Accuracy 98.0%
Points 56.08
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.