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5.4 Exercise 2

Avg difficulty 2.5

To whom does an object seem greater in length, an observer moving with the object or an observer moving relative to the object? Which observer measures the object’s proper length?

OpenStax University Physics Volume 3, 5.4 Length Contraction, exercise 2

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Adapted from University Physics Volume 3 © 2016 Rice University. Licensed under CC BY 4.0. Source: University Physics Volume 3. Imported at revision db44eb9.