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typeracer

Pit Stop
Racer vengeance (vengeance12352)
Race Number 34
Date Thu, 27 Dec 2018 9:48:01
Speed 89 WPM Try to beat?
Accuracy 96.1%
Rank 2nd place (out of 5)
Opponents mark40511 (1st place) umm_eran (3rd place)

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In two dimensions we say that a rigid body has only one rotational degree of freedom, whereas in three dimensions we say that a rigid body has three rotational degrees of freedom. This might lead you to infer that in three dimensions you need to have three scalar quantities to represent a body's rotation. Indeed, this is the minimum requirement.
— (book) by David M Bourg (see stats)

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