fer (donandugan13)

Race #105

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Official speed 88.88 wpm (43.74 seconds elapsed during race)
Race Start April 13, 2018 9:14:50pm UTC
Race Finish April 13, 2018 9:15:34pm UTC
Outcome Win (1 of 2)
Opponents 2. angie10410 (79.12 wpm)
Accuracy 97.0%
Points 91.84
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.