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 λ/ 2, where λ = 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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This note was uploaded on 11/12/2011 for the course PHYS 2001 taught by Professor Sprunger during the Fall '08 term at LSU.

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