CCNY PHYS 20900 - Fall 2026

To prepare for:

Monday, Oct 5, 2026

    From: Modern Physics, G. Felder / K. Felder:

  1. Read Chapter 1.1 (Galilean Relativity)

      2. Prepare:

    1. Problem 16
    2. Problem 18
  2. Chapter 1.2 (Einstein's Postulates and Time Dilation)

      3. Prepare:

    1. Explain what is "an event" in the context of special relativity.
    2. Active Reading Exercise: The Airplane and the Mountains, Part 1
    3. Active Reading Exercise: The Airplane and the Mountains, Part 2
    4. Problem 35
    5. Problem 25
  3. Chapter 1.3 (Length Contraction and Simulteneity)

      4. Prepare:

    1. Explain the difference between time-like and space-like separations
    2. Problem 18