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What is half a spin?
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animation rotations
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AntonioLao
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animation rotations -
11-09-2005, 03:57 PM
Mike,
the following sites show some animation about internal rotations within a sphere. Just thought you might enjoy them.
http://mathworld.wolfram.com/Hypocycloid.html
http://mathworld.wolfram.com/Hypotrochoid.html
Time independence:
[∂
E(
g)
]²=[∂
F
(
a
)
×∂
r
(
a
)
]
·
[∂
F
(
b
)
×∂
r
(
b
)
] and Mass independence:
¶
a
(
t
)·
¶
r
(
t
)=
c
²
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