【Daily Question: Pump Equipment】Multiple-choice Question 2018.11.20

2018-11-20View Original

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This post was last edited by 3983596_FPPZ on 2018-11-21 at 21:40. In Li Bai’s poem “Viewing the Waterfall on Lushan Mountain,” there is a line that reads “The waterfall plunges down three thousand feet.” This indicates: (Multiple choice) A. Lushan Mountain is very high, so the water has great potential energy. B. Lushan Mountain is very high, so the water has great kinetic energy. C. The process of kinetic energy being converted into potential energy. D. The process of potential energy being converted into kinetic energy. Answer: AD. Since Lushan Mountain is so high, the water’s energy is in the form of potential energy; as it falls, its total energy remains constant, only changing from potential energy to kinetic energy. Therefore, the answer is AD.

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【Daily Question: Pump Equipment】Multiple-choice Question 2018.11.20

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