A pendulum in a spaceship traveling through space at a
Chapter 26, Problem 26.5(choose chapter or problem)
A pendulum in a spaceship traveling through space at a speed of 0.9c relative to Earth has a period P as measured by an astronaut in the spaceship. What is true about the period T as measured by an observer on Earth? (a) P _ T (b) P _ T (c) P T (d) P T or P _ T, depending on the direction of motion of the spacecraft (e) None of these
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