📅 NSB 2015🎓 HS🔄 Round 5#️⃣ Q4🌟 BONUS✍️ Short Answer
What is the length of a string, in meters, required to produce a fourth harmonic of 200 Hertz if the speed of waves in the string is known to be 400 meters per second and the string is fixed at both ends?
✔️Answer:4
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