EdK (edk2000)

Race #994

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Official speed 68.84 wpm (56.48 seconds elapsed during race)
Race Start April 17, 2019 12:17:25pm UTC
Race Finish April 17, 2019 12:18:21pm UTC
Outcome Win (1 of 3)
Accuracy 97.0%
Points 71.13
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.