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Module 39: The Relativistic Doppler Effect - Exercise 1a & 1b
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Question 1 of 2
1. Question
George is firing flashes at Gracie at the rate of 10 per second, according to his own watch. Gracie is racing away from George at a speed of $v=\frac{3}{5}c$. What is the rate at which Gracie receives the flashes?
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Question 2 of 2
2. Question
George is firing flashes at Gracie at the rate of 10 per second, according to his own watch. Gracie is racing toward George at a speed of $v=\frac{3}{5}c$ (the same speed as in the previous question, but in the opposite direction). What is the rate at which Gracie receives the flashes?
CorrectIncorrect