📅 NSB Round Robin 2013🎓 MS🔄 Round 5#️⃣ Question 1🌟 BONUS✍️ Short Answer
The speed of sound in air on a given day is 340 meters per second. You are standing 85 meters from a barn when you give a short, loud, yelp. How long in seconds does it take you to hear your own echo?
✔️Answer:0.5
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