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PLAGUE's latest activity
PLAGUE
replied to the thread
B
How to interpret Pascal's Triangle for negative numbers?
.
I think I know the answers to your questions. But is there any physical significance at all?
May 1, 2024
PLAGUE
posted the thread
B
How to interpret Pascal's Triangle for negative numbers?
in
General Math
.
This answer shows an extended version of Pascal's Triangle that works for negative numbers too. In This video, Sal shows how to...
Apr 17, 2024
PLAGUE
replied to the thread
I
What's the physical meaning of Curl of Curl of a Vector Field?
.
How about $$\nabla \times (\nabla \times \mathbf{B}) = \nabla (\nabla \cdot \mathbf{B}) - \nabla^2 \mathbf{B}$$? Here B is the magnetic...
Apr 5, 2024
PLAGUE
posted the thread
I
What's the physical meaning of Curl of Curl of a Vector Field?
in
Classical Physics
.
So, curl of curl of a vector field is, $$\nabla \times (\nabla \times \mathbf{A}) = \nabla (\nabla \cdot \mathbf{A}) - \nabla^2...
Apr 4, 2024
PLAGUE
posted the thread
I
Why "time part" represents energy in Four-momentum?
in
Special and General Relativity
.
I was going through Spacetime Physics by Taylor and Wheeler and came to a point where they said, and I quote, This part feels too...
Mar 9, 2024
PLAGUE
replied to the thread
I
Proof of Invariance of Spacetime Interval
.
Isn't relativistic velocity is for, in such cases, horizontal motion? As I understand, our particle have no horizontal motion, but only...
Mar 8, 2024
PLAGUE
posted the thread
I
Proof of Invariance of Spacetime Interval
in
Special and General Relativity
.
I was going through Spacetime Physics by Taylor and Wheeler and came to a point where they showed a proof of Invariance of Spacetime...
Mar 8, 2024
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