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489

Centuries: 4th century - 5th century - 6th century

Decades: 430s 440s 450s 460s 470s - 480s - 490s 500s 510s 520s 530s

Years: 484 485 486 487 488 - 489 - 490 491 492 493 494


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Dynabee

... gyro tops will not simply fall over, but start precessing around. (The precessing motion is perpendicular to the torque trying to make the gyro fall over.) The axis of ...

 
 
 
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