Physics · Relativity
In the theory of relativity, the displacement four-vector x μ between two world points is space-like if they satisfy which of the following conditions?
- 1|r 1 - r 2 | 2 < c 2 (t 1 - t 2 ) 2
- 2|r 1 - r 2 | 2 > c 2 (t 1 - t 2 ) 2✓
- 3|r 1 - r 2 | 2 = c 2 (t 1 - t 2 ) 2
- 4|r 1 - r 2 | 2 ≤ c 2 (t 1 - t 2 ) 2
Correct answer
|r 1 - r 2 | 2 > c 2 (t 1 - t 2 ) 2
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