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2d
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2d
answered Help getting my head around frames of reference in special relativity
2d
revised Rotating frames
Added homework tag; formatting
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comment Rotating frames
What have you tried so far?
2d
suggested suggested edit on Rotating frames
2d
revised Stable equilibrium
Formatting
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suggested suggested edit on Stable equilibrium
Apr
20
accepted Why are non-horizontal levers not considered to be in equilibrium?
Apr
18
revised Can “state” be considered a 5th dimension?
Fixed tags, removed irrelevant info
Apr
18
revised Why are sine/cosine always used to describe oscillations?
Added details about cycloid and harmonic oscillators
Apr
18
answered Why are sine/cosine always used to describe oscillations?
Apr
18
suggested suggested edit on Can “state” be considered a 5th dimension?
Apr
18
answered Moment of Inertia for a hollow cylinder
Apr
18
comment Rotation operator for a point in a coordinate system linearly derived from Cartesian coordinates
@Bernhard Never mind, I'm wrong.
Apr
18
comment Rotation operator for a point in a coordinate system linearly derived from Cartesian coordinates
@Bernhard I'm not certain, but I suspect that there isn't a new degree of freedom on the primed system because the axes aren't linearly independent. Given three of the coordinates, the last would be uniquely defined.
Apr
17
revised Does GR really allow superluminal movement?
Formatting, improved title
Apr
17
suggested suggested edit on Does GR really allow superluminal movement?
Apr
17
revised Projectile Motion on an inclined plane
Added homework tag; formatting
Apr
17
suggested suggested edit on Projectile Motion on an inclined plane
Apr
17
comment What happens in a circuit, when the wire and the battery are superconducting. And shorted
@Awesome I agree, but I don't see why that invalidates the original statement. Since $R$ is positive for all reasonable circuits, we take the limit of $V/R$ as $R \rightarrow 0^+$, which is $\infty$ for positive voltage.