if a dolphin weighs 200 kg how much energy does it take to lift it 3 meters?
2010-06-08 3:13 am
if a dolphin weighs 200 kg and is lifted into a tank, how much energy does it take to lift the dolphin 3 meters into the air?
回答 (1)
2010-06-08 3:17 am
✔ 最佳答案
Potential Energy = mass * gravity * heightyou have:
mass = 200kg
gravity of Earth = 9.8 m/s^2
height = 3 m
Energy = 200 * 9.8 * 3 = 5880 kg m^2/s^2 = 5880 J
參考: self, college student
收錄日期: 2021-04-13 17:17:49
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