📅 NSB Round Robin 2020🎓 MS🔄 Round 2#️⃣ Question 13🌟 BONUS✍️ Short Answer
A 6-kilogram quadcopter has four rotors, each of which exerts 20 newtons of upward thrust. Given that the quadcopter starts at rest, how long, to the nearest second, will it take to reach a height of 30 meters by flying directly upwards?
✔️Answer:4
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