粘り (clayjarcm)

Race #2888

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Official speed 69.96 wpm (59.52 seconds elapsed during race)
Race Start November 7, 2018 9:04:07pm UTC
Race Finish November 7, 2018 9:05:07pm UTC
Outcome Win (1 of 3)
Accuracy 98.0%
Points 69.96
Text #3622275 (Length: 347 characters)

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.