All Questions
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Question on Example 5.9 of Prof. Hartle Gravity textbook
I'm reading the Gravity Hartle book (ed.2003) and I'm having trouble with the question in the last part of Example 5.9 - Frequency Measured by an Accelerating Observer. More specifically the problem ...
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2
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104
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Justification of string breakage in Bell's Spaceship paradox from observer's frame
In Bell's Spaceship Paradox, are there any direct observations that the stationary observer can make that would justify the breaking of the string without taking into consideration as to what's taking ...
- 166
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2
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250
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What is concept of left region of rindler space-time?
A accelerated object follow a hyperbolic path in a Minkowski spacetime diagram. Minkowski spacetime has two regions: left (I) and right (II) regions of Rindler spacetime, as it is shown in the picture ...
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Acceleration and reference frames in General Relativity
A person walks on Earth in a straight line, he says he is walking with uniform velocity. But I (from space) see him walking on a curved surface and say that he must be accelerating since he is ...
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5
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From a traveler's point of view, what prevents him from reaching the speed faster than light?
I have read the answer to this question from Eric. That answer is still from the point of view of a standing observer that sees the traveler spending infinite amount of energy. My question is asking ...
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1
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158
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From a traveler's point of view, what prevents him from reaching speed faster than light? [duplicate]
From a traveler's point of view, as he is accelerating with $1g$, in under one year he would reach the speed of light. Note that from his point of view, everything looks normal so he could keep ...
4
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1
answer
268
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Space-time diagram from the point of view of someone who accelerates in a $\delta(t)$ way
Suppose the situation shown in the following space-time diagram:
This diagram was drawn by the inertial observer standing in "the blue system", called A from azul in Spanish. In it we see the ...
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1
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407
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Question about spacetime interval in acceleration in special relativity
In special relativity the spacetime interval between two events can be represented by the equation $${\Delta_s}^2={\Delta_x}+{\Delta_y}^2+{\Delta_z}^2-c^2{\Delta_t}^2$$ with ${\Delta_s}^2$ being the ...
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2
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255
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Acceleration in Space
Lets assume a body with a certain mass is in a region of space that has zero $g$ (or pretty close to zero $g$).
Would acceleration in a straight line produce $g$-forces?
Would that mass acquire ...
- 1,059
21
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4
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Does velocity or acceleration cause time dilation?
What causes time dilation? Acceleration or velocity?
I've seen multiple comments on this forum that assert velocity is the cause, but that doesn't seem right to me. You can't have velocity without ...
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