All Questions
6
questions
0
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2
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90
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Does relative motion allow for speeds $>c$?
If motion is relative, (so if X was stationary and Y was moving at v m/s, we could think of this as Y being stationary and X moving at -v m/s), could we not create a scenario in which a stationary ...
0
votes
5
answers
1k
views
Do released objects take the direction and speed of their parent frame's velocity, or just the parent frame's speed component?
Context: I'm working on a space game. I noticed that an unpowered object fired from a strafing spaceship appeared, as the released object moved, to curve in the direction the ship was strafing. This ...
4
votes
1
answer
1k
views
Is work done by the internal forces independent of the frame of reference?
This question is about work done being dependent on the frame of reference, which is, obviously the net work done.
I ask what is the reason for the work done by internal forces to be independent of ...
- 362
2
votes
3
answers
184
views
Why cannot we determine our own velocity?
I know it would violate the principle of relativity. But have there been serious experimental attempts to contradict that principle?
If I am in a moving train without windows and totally sound proof,...
- 951
2
votes
1
answer
2k
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Angle of reflection of an object colliding on a moving wall
Consider an object colliding elastically with an inclined wall (with much bigger mass than the object) as in picuture. The wall is at $45°$ and it is moving.
$(A)$: frame of reference of the wall (...
- 2,607
1
vote
2
answers
6k
views
Solving a two-body problem using relative motion and reduced mass
I'm having a hard time trying to understand fully this topic and how reduced mass and relative velocity should be used. Let's say we have some sort of mechanical problem regarding the interaction (or ...
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