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LECTURE 18
     questions before lecture

think about these

  • Can light have a shock wave?
  • How long does light take to reach us from the sun?
  • How long does light take to reach us from across the room?
  • What does simultaneous mean?
  • How must we measure a moving length?

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Please email any questions, comments, or suggestions to Professor Bernice Durand, bdurand@theory3.physics.wisc.edu.

Revised October 13, 1997.


Content © 1997, Bernice Durand
Images and layout © 1997, Shane Hamilton