→ tanaka0826 :藍色線就是水位 10/23 01:44
Vibration of water in a tube
If 1 liter of water ( about 1.06 US quart ) is vibrating up and down under
the influence of gravitation in a U-shaped tube of diameter 3cm. What is the
frequency? Neglect friction. First guess.
____ ____
│ │ │ │
│ │ - -│--║- - -
│ │ │ │ ↑y
│ │ - -│ │- - - - - - - - - - - ( y = 0 )
│ │ │ │
╞─┤- - - - - - -│ │
│ │ │ │
│ │_____________│ │
│ │
└───────────
圖很醜請包容XD(第一次畫圖...)
謝謝大家的幫忙Orz
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※ 編輯: tanaka0826 來自: 122.117.20.246 (10/23 01:44)
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