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Spacetime dilation Moon vs Earth [closed]
As I understand it, time will pass slightly faster on the surface of the moon compared to the earth
This is due to the difference in velocity and gravitational fields of the two planets.
How could I ...
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Length contraction of a train
Suppose a train of length $3x~\rm m$ and a tunnel of length $x~\rm m$. When the velocity of train is $282842712.5~\rm m/s$ (from length contraction equation), then its length contracts to $x~\rm m$. ...
