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LECTURE 21
questions before lecture
think about these
- What is the equation for the position x of light at a certain time t after it was emitted?
- What path does light take on a spacetime diagram?
- How do we draw v<c and v>c on a spacetime diagram?
- What quantities have we studied in relativity which are invariants? This means they don't change with time or from one reference to another. Are there other quantities in the course which are invariants?
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Please email any questions, comments, or suggestions to
Professor Bernice Durand, bdurand@theory3.physics.wisc.edu.
Revised October 19, 1997.
Content © 1997, Bernice Durand
Images and layout © 1997, Shane Hamilton
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