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typeracer

Pit Stop
Racer Jagr (pachecoownz)
Race Number 11
Date Wed, 19 Apr 2017 2:07:26
Speed 79 WPM Try to beat?
Accuracy 93.8%
Rank 1st place (out of 4)
Opponents isnotavailable_isnotavailable (2nd place) jaotria11 (4th place)

Text typed:

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)