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:
Space-Time Points
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AntonioLao
Raider of the lost time
Join Date:
Nov 2003
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09-27-2005, 06:37 PM
Quote:
Originally Posted by
GUILLE
But you say exactly the opposite. How come?
That's the funny part about vectors multiplications. The scalar product of the same vectors is 1, while the cross product is zero.
__________________
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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