Questions tagged [time]
Time is defined operationally to be that which is measured by clocks. The SI unit of time is the second, which is defined to be
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How is pressure related to time?
I was studying physics for my exams when I came up with a question:
there is this relationship $1Pa=1kg/(m*s^2)$ , which I reckon to be true as you can define pressure as $F/A$ and also by Newton's ...
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SLM pulse shaping to delay (and advance) ultrashort pulses in time
I am trying to replicate some of the experiments discussed in this excellent publication:
SLM for pulse shaping
In particular, I replicated the setup configuration in Figure 14 and I want to use the ...
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Is heat death absolutely and really inevitable? [duplicate]
As the second law of thermodynamics indicates, entropy would continue to grow in the universe until it reaches a maximal value (in an expanding universe with a cosmological constant, like ours) or ...
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How does the lifetime and temperature of a black hole scale with mass in higher dimenstions?
I've tried to find out how the lifetime and temperature of a black hole scale with mass in a universe with more then 3 spatial dimensions. I've spent a while trying to look up an answer to this ...
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Can it be accurate to say that time is also a length?
So a type of measurement, in units, is length, position, mass, etc, and a unit is meters, kilograms, etc.
Is it accurate to say that "an hour" is a time measurement, but also a form of ...
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How to measure time difference in different frames of reference in relativity
I saw this post about measuring the time difference between two clocks and I couldn't understand Ajay Mohan's answer even after his edit.
I tried to draw a picture of what I think actually happens.
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Notation confusion about time derivative of a vector in a rotating frame
As far as I can tell, this question, or similar ones, have been asked a number of times:
Derivation of the time-derivative in a rotating frame of refrence
Time derivatives in a rotating frame of ...
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