阿摩線上測驗
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8. In an experiment, the water level in a container oscillates vertically in SHM with a period of 8.00 hours. The level changes height by 2.40 m. How long (hours) does the level take to drop 2.00 m from the highest point? (A) 2.93 (B) 0.52 (C) 1.55 (D) 4.32 (E) 5.68