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Results tagged with reference-frames
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user 977
A reference frame is a particular coordinate system chosen to represent physical entities. The notion is most often used in special and general relativity to denote particular coordinates chosen on the spacetime manifold.
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What happens to an astronaut who's floating in a spaceship (in space) when it begins to move?
I feel this is somehow a stupid question, but I don't know the true answer. What happens to an astronaut who's floating in a spaceship in space when it begins to move? Will the astronaut not move unti …
- 309
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Regarding the centrifugal force in a 3-body system
In our lecture about general mechanics, we have treated the simplified 3-body system consisting of the Sun, the Earth and the Moon. We assumed that the moon does not have any influence on the Sun or t …
- 309