P18_091 - x between nodes is / 2, where = v/f and f = 300...

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91. Since they oscillate out of phase, then their waves will cancel (producing a node) at a point exactly midway between them (the midpoint of the system, where we choose x = 0). We note that Figure 18-14, and the n = 3 case of Figure 18-15(a) have this property (of a node at the midpoint). The distance ∆
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Unformatted text preview: x between nodes is / 2, where = v/f and f = 300 Hz and v = 343 m/s. Thus, x == v/ 2 f = 0 . 572 m. Therefore, nodes are found at the following positions: x = x = . 57 m x = 2 x = 1 . 14 m x = 3 x = 1 . 72 m...
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