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Science Bowl Question

📅 NSB 2017🎓 HS🔄 Round 9#️⃣ Q13🌟 BONUS✍️ Short Answer

An observer is moving at 50 meters per second towards a stationary source that is emitting a wave with velocity 100 meters per second. What is the ratio of the observed frequency to the transmitted frequency before the observer passes the source?

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