- #1
Vishwas K S
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How to develop in series as in the image below? What does the third term signify?
B How to Develop in Series: Definition & Examples
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- Thread starter Vishwas K S
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It is a simple Taylor expansion of the relativistic energy.
- #3
Vishwas K S
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Thank you.
- #4
Vishwas K S
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What does the third term signify?
- #5
Ibix
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It doesn't have a name or any particular meaning as far as I am aware.
If you are measuring the energy of particles, say, when v is high enough for this term to be measurable then you ought to be using the relativistic formula for energy. Below that velocity the Newtonian approximation is good enough.
If you are measuring the energy of particles, say, when v is high enough for this term to be measurable then you ought to be using the relativistic formula for energy. Below that velocity the Newtonian approximation is good enough.
I asked a question here, probably over 15 years ago on entanglement and I appreciated the thoughtful answers I received back then. The intervening years haven't made me any more knowledgeable in physics, so forgive my naïveté !
If a have a piece of paper in an area of high gravity, lets say near a black hole, and I draw a triangle on this paper and 'measure' the angles of the triangle, will they add to 180 degrees?
How about if I'm looking at this paper outside of the (reasonable)...
According to E = mc², energy seems to depend on rest mass.
But photons have zero rest mass (m₀ = 0), and still carry energy, expressed as E = hf.
How should this be understood?
Does E = mc² only apply to particles with rest mass?
Is there a more general form that includes massless particles like photons?
Looking for clarity on how this works.
I’m attaching two figures from the book, Basic concepts in relativity and QT, by Resnick and Halliday. They are describing the relativity of simultaneity from a theoretical pov, which I understand. Basically, the lightning strikes at AA’ and BB’ can be deemed simultaneous either in frame S, in which case they will not be simultaneous in frame S’, and vice versa. Only in one of the frames are the two events simultaneous, but not in both, and this claim of simultaneity can be done by either of...
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