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Confusing definition of proper time – which is correct? The time that elapses on a single clock is the proper time for that clock If a clock moves between two stationary clocks, the proper time it measures will be different from the time interval according to the readings on the two stationary clocks
What is the correct formulation of Newtons Second Law of Motion? Wikipedia states that Newton's second law of motion is: At any instant of time, the net force on a body is equal to the body's acceleration multiplied by its mass or, equivalently, the rate at whi
Faradays law: How to interpret flux on a time voltage graph? If I understand the problem, the rod is dropped all the way through a coil A2 is when it comes out the other side Is this correct? If that is correct, the flux should go from zero to zero over the whole process, and that is only possible by using both portions with signs In general, the sign of the voltage is related to the sign of the flux change, where the flux has a directionality to it
Are there actual correct representations of curved spacetime? So is there actual representations, of curved spacetime (a 2d curved shape, with one direction being is time), with the exact chrystofell symbols and curvature as what relativity predicts? In a way, it would be a "correct" visualisation of general relativity in a 2d spacetime
How can time dilation be symmetric? - Physics Stack Exchange Observed coordinate time = time after time dilation That means in this case: When each twin observes his own clock, the observed coordinate time is the proper time (time dilation factor 1, that means absence of any time dilation)
How accurate is the time on a digital clock versus the time on internet . . . The GPS receiver is the best - the travel time for the signal from the satelite to you is a few millisecs For your computer it may take 10s of millisecs for the time message to go over the network and so the system has tricks to try and estimate this and correct for it Radio used to be the standard for time signals
Are we really moving at the speed of light in the time dimension? I have seen a vector explanation of time dilation that our net velocity in space-time is the speed of light Most of that velocity for slow spatial speeds is in the time dimension As you go faster in a spatial dimension, your speed in the time dimension reduces, because the net vector magnitude remains constant but the angle changes
Time-like separated and Space-like separated events I am trying to get an intuition about Time-like separated and Space-like separated events I understand the definition of these terms, but I lack intuitive understanding of what these concepts actu
Fourth Equation of Motion - Physics Stack Exchange When I was studying motion, my teacher asked us to derive the equations of motion I too ended up deriving the fourth equation of motion, but my teacher said this is not an equation Is this deriva