All Questions
5
questions
2
votes
1
answer
403
views
How big (in meters) could the difference be between ECI and ECEF coordinates at midnight UTC?
Is the only difference due to leap seconds, etc. or other differences between UTC and updated forms of universal time, such as UT1? In other words, are all earth-centered inertial (ECI) coordinate ...
0
votes
3
answers
4k
views
Direction of deflection of Coriolis force on Earth
I'm a bit confused about Coriolis force direction on Earth. The observed deflection is to the right in the northern emisphere and to the left in the southern one.
But what about an observer in the ...
0
votes
1
answer
615
views
Coriolis object deflection and conservation of angular momenutum
I'm trying to understan kinematic inertial explanation of the apparent deviation of objects due to fictitious forces in rotating Earth.
Take an object moving from the equator northwards, or ...
56
votes
8
answers
44k
views
Proof that the Earth rotates?
What is the proof, without leaving the Earth, and involving only basic physics, that the earth rotates around its axis?
By basic physics I mean the physics that the early physicists must've used to ...
1
vote
2
answers
2k
views
Argument for proving Earth-Centered Earth-Fixed (ECEF) reference frame is non-inertial
Today I heard an argument to prove that the Earth-Centered Earth-Fixed (ECEF) reference frame is non-inertial. It seriously doesn't make any sense to me but I also heard that same argument was made by ...