All Questions
7
questions
-1
votes
2
answers
218
views
Can two electron moving in opposite direction move faster than light? [duplicate]
Suppose we are moving two electrons in opposite direction both having a speed of 1.6e8 meter per sec.When they will cross each other then their relative velocity will be 3.2e8 ms_1.Isn't it faster ...
-2
votes
1
answer
121
views
Super luminal speed paradox? [duplicate]
Chosing a reference frame in which the Earth is at rest and doesn't rotate is related, but different. Here I'm asking if there is a paradox and if my attempt at resolution has merit, and if not ...
- 2,728
1
vote
2
answers
1k
views
Objects travelling relatively to each other faster than light?
When we say that something is travelling a certain speed, it's really travelling that speed relative to the Earth. When saying the speed of anything, it is, for the most part, relative to something ...
- 123
0
votes
0
answers
38
views
Faster than light travel at half speed [duplicate]
Peter and Susan are facing each other in outer space. Both of them ignite their their incredibly powerful jet pack thrusters and accelerated away from each other to just over half the speed of light. ...
- 76
2
votes
1
answer
296
views
Exeeding the speed of light by adding velocities [duplicate]
Well you know how it's said that things can't travel at or past the speed of light? However, can't they move at speeds greater than the speed of light relative to another object?
For example: What ...
- 1,582
3
votes
1
answer
992
views
Relative Speed vs speed of light [duplicate]
Possible Duplicate:
Travelling faster than the speed of light
Someting almost faster than light traveling on something else almost faster than light
I've got two questions which are related and ...
- 203
4
votes
4
answers
505
views
Chosing a reference frame in which the Earth is at rest and doesn't rotate
We may choose a non-rotating earth as our reference frame and ask ourselves: how about the planetary and stellar motions. A star at a distance of 10 million light years would turn around the earth in ...
- 6,841