📅 NSB 2011🎓 HS🔄 Round 5#️⃣ Q3🌟 Bonus✍️ Short Answer
Taking g to be 9.8 meters per second squared, a 500 kilogram elevator needs how much energy, in kilojoules, to go up 30 meters, a typical height for the 10th floor?
✔️Answer:147
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