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Physics, 12.03.2020 00:26 cameronbeaugh

A physics professor sitting on a stationary reference frame gives an exam to the students who are on a spaceship traveling at a speed vrelative to stationary frame. The moment the ship passes the professor, she signals the start of the exam. If she wishes her students to have time T0(spaceship time) to complete the exam, how much time should the professor wait (in the stationary frame) before sending a light signal telling them to stop? Draw a spacetime diagram and express the answer time in terms of T0and vand c.

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