{"id":462,"date":"2023-06-16T23:34:32","date_gmt":"2023-06-16T23:34:32","guid":{"rendered":"https:\/\/physigeek.com\/it\/onda-meccanica\/"},"modified":"2023-06-16T23:34:32","modified_gmt":"2023-06-16T23:34:32","slug":"onda-meccanica","status":"publish","type":"post","link":"https:\/\/physigeek.com\/it\/onda-meccanica\/","title":{"rendered":"Onda meccanica"},"content":{"rendered":"<p>Questo articolo spiega cosa sono le onde meccaniche in fisica e quali sono le loro caratteristiche. Quindi troverai la definizione di onda meccanica, esempi di onde meccaniche, qual \u00e8 l&#8217;equazione di un&#8217;onda meccanica e, inoltre, quali sono i diversi tipi di onde meccaniche. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%C2%BFQue-es-una-onda-mecanica\"><\/span> Cos&#8217;\u00e8 un&#8217;onda meccanica?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> <strong>Un&#8217;onda meccanica<\/strong> \u00e8 un tipo di onda che viaggia attraverso un mezzo materiale, ovvero le onde meccaniche sono le onde che viaggiano attraverso un mezzo materiale.<\/p>\n<p> Le onde meccaniche provocano quindi una perturbazione temporanea del mezzo in cui si propagano, senza che questo venga trasportato.<\/p>\n<p> Ad esempio, un&#8217;onda sonora \u00e8 un&#8217;onda meccanica. Le onde sonore viaggiano attraverso l&#8217;aria. Pertanto, quando oscillano attraverso un mezzo materiale, si tratta di un&#8217;onda meccanica.<\/p>\n<p> Una delle caratteristiche principali delle onde meccaniche \u00e8 che trasportano energia. Infatti, l\u2019energia trasportata da un\u2019onda meccanica pu\u00f2 essere catastrofica, come nel caso delle onde sismiche.<\/p>\n<p> In fisica le onde meccaniche sono chiamate anche <strong>onde materiali<\/strong> perch\u00e9 necessitano di un mezzo materiale per propagarsi. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ejemplos-de-ondas-mecanicas\"><\/span> Esempi di onde meccaniche<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> Dopo aver visto la definizione di onda meccanica, vedremo ora alcuni esempi di questo tipo di onda per comprendere appieno il concetto.<\/p>\n<p> <u style=\"text-decoration-color:#4fd12f\"><strong>Esempi di onde meccaniche:<\/strong><\/u><\/p>\n<ul style=\"color:#4fd12f; font-weight: bold;\">\n<li style=\"margin-bottom:15px\"> <span style=\"color:#101010;font-weight: normal;\">Le onde sonore sono onde meccaniche.<\/span><\/li>\n<li style=\"margin-bottom:15px\"> <span style=\"color:#101010;font-weight: normal;\">Un&#8217;onda sismica \u00e8 anche un&#8217;onda meccanica.<\/span><\/li>\n<li style=\"margin-bottom:15px\"> <span style=\"color:#101010;font-weight: normal;\">Le onde superficiali generate sulla superficie dell&#8217;acqua dall&#8217;impatto di un oggetto sono meccaniche.<\/span><\/li>\n<li style=\"margin-bottom:15px\"> <span style=\"color:#101010;font-weight: normal;\">Le onde che si propagano attraverso una molla sono onde meccaniche.<\/span> <\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Caracteristicas-de-una-onda-mecanica\"><\/span> Caratteristiche di un&#8217;onda meccanica<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> Le onde meccaniche hanno le seguenti caratteristiche o parti:<\/p>\n<ul style=\"color:#4fd12f; font-weight: bold;\">\n<li style=\"margin-bottom:16px\"> <span style=\"color:#101010;font-weight: normal;\"><strong>Allungamento (y)<\/strong> : \u00e8 la distanza tra la posizione dell&#8217;onda e la sua posizione di equilibrio.<\/span><\/li>\n<li style=\"margin-bottom:16px\"> <span style=\"color:#101010;font-weight: normal;\"><strong>Ampiezza (A)<\/strong> : \u00e8 la distanza tra la massima estensione e la posizione di equilibrio.<\/span><\/li>\n<li style=\"margin-bottom:16px\"> <span style=\"color:#101010;font-weight: normal;\"><strong>Cresta<\/strong> : ciascuno dei punti pi\u00f9 alti dell&#8217;onda.<\/span><\/li>\n<li style=\"margin-bottom:16px\"> <span style=\"color:#101010;font-weight: normal;\"><strong>Valle<\/strong> : ciascuno dei punti pi\u00f9 bassi dell&#8217;onda.<\/span><\/li>\n<li style=\"margin-bottom:16px\"> <span style=\"color:#101010;font-weight: normal;\"><strong>Ciclo o oscillazione<\/strong> : \u00e8 il percorso dell&#8217;onda da un punto al punto equivalente successivo.<\/span><\/li>\n<li style=\"margin-bottom:16px\"> <span style=\"color:#101010;font-weight: normal;\"><strong>Lunghezza d&#8217;onda (\u03bb)<\/strong> : \u00e8 la distanza che separa due punti consecutivi equivalenti dell&#8217;onda.<\/span><\/li>\n<li style=\"margin-bottom:16px\"> <span style=\"color:#101010;font-weight: normal;\"><strong>Periodo (T)<\/strong> : \u00e8 il tempo necessario per compiere un&#8217;oscillazione completa.<\/span><\/li>\n<li style=\"margin-bottom:16px\"> <span style=\"color:#101010;font-weight: normal;\"><strong>Frequenza (f)<\/strong> : \u00e8 il numero di oscillazioni o vibrazioni che l&#8217;onda compie nell&#8217;unit\u00e0 di tempo.<\/span><\/li>\n<p style=\"text-align:center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-531bea341cf9b96ec2c355cc9e57d511_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"f=\\cfrac{1}{T}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"49\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<li style=\"margin-bottom:16px\"> <span style=\"color:#101010;font-weight: normal;\"><strong>Frequenza angolare (o pulsazione) (\u03c9)<\/strong> : \u00e8 la velocit\u00e0 con cui l&#8217;onda compie oscillazioni.<\/span><\/li>\n<p style=\"text-align:center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-df8b803de06998e6a4ef5082a65705b7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\omega=\\cfrac{2\\cdot \\pi}{T}=2\\cdot \\pi \\cdot f\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"149\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<li style=\"margin-bottom:16px\"> <span style=\"color:#101010;font-weight: normal;\"><strong>Velocit\u00e0 di propagazione (v)<\/strong> : \u00e8 la velocit\u00e0 con cui si propaga l&#8217;onda.<\/span> <\/li>\n<p style=\"text-align:center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-1eed1cba17cbc307677c872b03943c7f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"v=\\cfrac{\\lambda}{T}=\\lambda\\cdot f\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"104\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<\/ul>\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/caracteristiques-des-ondes-transversales.png\" alt=\"caratteristiche di un'onda meccanica, parti di un'onda meccanica\" class=\"wp-image-9217\" width=\"717\" height=\"369\" srcset=\"https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/caracteristiques-des-ondes-transversales-300x155.png 300w, https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/caracteristiques-des-ondes-transversales-1024x528.png 1024w, https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/caracteristiques-des-ondes-transversales-768x396.png 768w, https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/caracteristiques-des-ondes-transversales.png 1368w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\"><\/figure>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Formula-de-una-onda-mecanica\"><\/span> Formula di un&#8217;onda meccanica<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> La funzione matematica che permette di descrivere il movimento di un&#8217;onda meccanica \u00e8 sempre la seguente:<\/p>\n<p class=\"has-text-align-center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-7bfd7d5b8ae3c91dc42ca32a954a2d0e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y=f(x\\pm v\\cdot t)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"116\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p style=\"margin-bottom:5px\"> Oro: <\/p>\n<ul style=\"color:#4fd12f; font-weight: bold;\">\n<li style=\"margin-bottom:5px\"><span style=\"color:#101010;font-weight: normal;\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-38461fc041e953482219abf5d4cce1cb_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"9\" style=\"vertical-align: -4px;\"><\/p>\n<p> \u00e8 l&#8217;allungamento dell&#8217;onda. <\/span><\/li>\n<li style=\"margin-bottom:5px\"><span style=\"color:#101010;font-weight: normal;\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-7e5fbfa0bbbd9f3051cd156a0f1b5e31_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"10\" style=\"vertical-align: 0px;\"><\/p>\n<p> \u00e8 la distanza dal punto studiato all&#8217;origine dell&#8217;onda. <\/span><\/li>\n<li style=\"margin-bottom:5px\"><span style=\"color:#101010;font-weight: normal;\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-796872219106704832bd95ce08640b7b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"v\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"><\/p>\n<p> \u00e8 la velocit\u00e0 di propagazione delle onde. <\/span><\/li>\n<li style=\"margin-bottom:5px\"><span style=\"color:#101010;font-weight: normal;\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-fd9cb27edab3f0a8a249bc80cc9c6ee2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"t\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"6\" style=\"vertical-align: 0px;\"><\/p>\n<p> \u00e8 il momento del tempo.<\/span><\/li>\n<\/ul>\n<p> Il segno davanti alla velocit\u00e0 di propagazione indica se l&#8217;onda meccanica si muove verso destra (segno negativo) o verso sinistra (segno positivo).<\/p>\n<p> <strong>Se l&#8217;onda meccanica \u00e8 <a href=\"https:\/\/physigeek.com\/it\/onda-armonica\/\">un&#8217;onda armonica<\/a> , l&#8217;equazione dell&#8217;onda meccanica \u00e8 y(x,t) = A\u00b7sin(k\u00b7x \u00b1 \u03c9\u00b7t + \u03c6 <sub>0<\/sub> ).<\/strong> Questa formula viene utilizzata per calcolare l&#8217;allungamento di un punto sull&#8217;onda meccanica in una posizione specifica e in un momento specifico.<\/p>\n<p class=\"has-text-align-center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-5bf20982fc10ac516d8272178ef0935c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y(x,t)=A\\cdot \\text{sin}(k\\cdot x\\pm w\\cdot t+\\phi_0)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"259\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p style=\"margin-bottom:5px\"> Oro: <\/p>\n<ul style=\"color:#4fd12f; font-weight: bold;\">\n<li style=\"margin-bottom:5px\"><span style=\"color:#101010;font-weight: normal;\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-38461fc041e953482219abf5d4cce1cb_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"9\" style=\"vertical-align: -4px;\"><\/p>\n<p> \u00e8 l&#8217;allungamento dell&#8217;onda. <\/span><\/li>\n<li style=\"margin-bottom:5px\"><span style=\"color:#101010;font-weight: normal;\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-816b613a4f79d4bf9cb51396a9654120_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"A\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"13\" style=\"vertical-align: 0px;\"><\/p>\n<p> \u00e8 l&#8217;ampiezza dell&#8217;onda meccanica. <\/span><\/li>\n<li style=\"margin-bottom:5px\"><span style=\"color:#101010;font-weight: normal;\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-7e5fbfa0bbbd9f3051cd156a0f1b5e31_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"10\" style=\"vertical-align: 0px;\"><\/p>\n<p> \u00e8 la distanza dal punto studiato all&#8217;origine dell&#8217;onda. <\/span><\/li>\n<li style=\"margin-bottom:5px\"><span style=\"color:#101010;font-weight: normal;\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-d42bc2203d6f76ad01b27ac9acc0bee1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"k\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"9\" style=\"vertical-align: 0px;\"><\/p>\n<p> \u00e8 il numero d&#8217;onda, che si calcola con la seguente espressione: <\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-20c1803a9dcde209173b7c67b98b2251_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"k=\\cfrac{2\\cdot \\pi}{\\lambda}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"68\" style=\"vertical-align: -12px;\"><\/p>\n<p><\/span><\/li>\n<li style=\"margin-bottom:5px\"><span style=\"color:#101010;font-weight: normal;\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-fbffdce91996e0a17795d82e8e6996d9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\omega\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"11\" style=\"vertical-align: 0px;\"><\/p>\n<p> \u00e8 la frequenza angolare o di pulsazione. <\/span><\/li>\n<li style=\"margin-bottom:5px\"><span style=\"color:#101010;font-weight: normal;\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-fd9cb27edab3f0a8a249bc80cc9c6ee2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"t\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"6\" style=\"vertical-align: 0px;\"><\/p>\n<p> \u00e8 il momento del tempo. <\/span><\/li>\n<li style=\"margin-bottom:5px\"><span style=\"color:#101010;font-weight: normal;\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-c8618f3820889d0002a7eefeeb2aaf41_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\phi_0\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"18\" style=\"vertical-align: -4px;\"><\/p>\n<p> \u00e8 la fase iniziale dell&#8217;onda. <\/span><\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Tipos-de-ondas-mecanicas\"><\/span>Tipi di onde meccaniche<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> I tipi di onde meccaniche sono:<\/p>\n<ul style=\"color:#4fd12f; font-weight: bold;\">\n<li style=\"margin-bottom:18px\"> <span style=\"color:#101010;font-weight: normal;\"><strong>Onda longitudinale<\/strong> : tipo di onda meccanica che oscilla nella stessa direzione di propagazione dell&#8217;onda.<\/span><\/li>\n<li style=\"margin-bottom:5px\"> <span style=\"color:#101010;font-weight: normal;\"><strong>Onda trasversale<\/strong> : tipo di onda meccanica che oscilla perpendicolarmente alla direzione di propagazione dell&#8217;onda.<\/span><\/li>\n<\/ul>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Onda-longitudinal\"><\/span> Onda longitudinale<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p> Un&#8217;onda <strong>longitudinale<\/strong> \u00e8 un&#8217;onda meccanica in cui il movimento oscillatorio delle particelle nel mezzo avviene nella stessa direzione di propagazione dell&#8217;onda. Cio\u00e8, le punte di un&#8217;onda longitudinale oscillano longitudinalmente.<\/p>\n<p> Ad esempio, le onde sonore sono onde longitudinali, poich\u00e9 in questo tipo di onde il movimento delle loro punte \u00e8 parallelo alla propagazione dell&#8217;onda. <\/p>\n<div style=\"background-color:#FFFDE7; padding-top: 10px; padding-bottom: 10px; padding-right: 10px; padding-left: 20px; border: 2.5px dashed #FFB74D; border-radius:20px;\"> <span style=\"color:#ff951b\">\u27a4<\/span> <strong>Vedi:<\/strong> <a href=\"https:\/\/physigeek.com\/it\/onda-longitudinale\/\">Caratteristiche di un&#8217;onda longitudinale<\/a><\/div>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Onda-transversal\"><\/span> Onda trasversale<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p> <strong>Un&#8217;onda trasversale<\/strong> \u00e8 un&#8217;onda meccanica le cui oscillazioni sono perpendicolari alla direzione di propagazione dell&#8217;onda. Cio\u00e8, i punti di un&#8217;onda trasversale si muovono trasversalmente alla direzione di viaggio dell&#8217;onda.<\/p>\n<p> Ad esempio, una corda attaccata ad un&#8217;estremit\u00e0 che oscilla \u00e8 un&#8217;onda trasversale. Se fissiamo l&#8217;estremit\u00e0 di una corda e spostiamo verticalmente l&#8217;altra estremit\u00e0, si generano vibrazioni perpendicolari alla direzione di viaggio dell&#8217;onda sulla corda, si tratta quindi di un&#8217;onda trasversale. <\/p>\n<div style=\"background-color:#FFFDE7; padding-top: 10px; padding-bottom: 10px; padding-right: 10px; padding-left: 20px; border: 2.5px dashed #FFB74D; border-radius:20px;\"> <span style=\"color:#ff951b\">\u27a4<\/span> <strong>Vedi:<\/strong> <a href=\"https:\/\/physigeek.com\/it\/onda-trasversale\/\">Caratteristiche di un&#8217;onda trasversale<\/a> <\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Velocidad-de-propagacion-de-una-onda-mecanica\"><\/span> Velocit\u00e0 di propagazione di un&#8217;onda meccanica<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> La velocit\u00e0 di propagazione \u00e8 la velocit\u00e0 con cui l&#8217;onda meccanica si propaga nel mezzo. In generale, la velocit\u00e0 di un&#8217;onda meccanica viene calcolata utilizzando una formula che ha la seguente forma:<\/p>\n<p class=\"has-text-align-center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-772bb78ab2d4234763abfa66d1ab1819_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle v=\\sqrt{\\frac{\\text{propri\u00e9t\u00e9 \u00e9lastique}}{\\text{propri\u00e9t\u00e9 inertielle}}}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"199\" style=\"vertical-align: -21px;\"><\/p>\n<\/p>\n<p> Di seguito potete vedere la formula utilizzata per calcolare la velocit\u00e0 di propagazione di un&#8217;onda meccanica in alcuni casi particolari della fisica. <\/p>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Velocidad-de-propagacion-de-una-onda-transversal-en-una-cuerda\"><\/span> Velocit\u00e0 di propagazione di un&#8217;onda trasversale su una corda <span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"has-text-align-center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-abbf6159b560abee3776c4d53e270f18_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle v=\\sqrt{\\frac{T}{\\mu}}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"68\" style=\"vertical-align: -21px;\"><\/p>\n<\/p>\n<p style=\"margin-bottom:5px\"> Oro: <\/p>\n<ul style=\"color:#4fd12f; font-weight: bold;\">\n<li style=\"margin-bottom:5px\"><span style=\"color:#101010;font-weight: normal;\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-7e093fd43ad2c244140c11afe4d4bdff_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"T\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"13\" style=\"vertical-align: 0px;\"><\/p>\n<p> \u00e8 la tensione della corda. <\/span><\/li>\n<li style=\"margin-bottom:5px\"><span style=\"color:#101010;font-weight: normal;\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-05d9eae892416bd34247a25207f8b718_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\mu\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"11\" style=\"vertical-align: -4px;\"><\/p>\n<p> \u00e8 la densit\u00e0 di massa lineare della corda. <\/span><\/li>\n<\/ul>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Velocidad-de-propagacion-de-una-onda-longitudinal-en-un-solido\"><\/span> Velocit\u00e0 di propagazione di un&#8217;onda longitudinale in un solido <span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"has-text-align-center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-a5cd3a29428cb9e37abb8265a9eb6884_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle v=\\sqrt{\\frac{E}{\\rho}}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"69\" style=\"vertical-align: -21px;\"><\/p>\n<\/p>\n<p style=\"margin-bottom:5px\"> Oro: <\/p>\n<ul style=\"color:#4fd12f; font-weight: bold;\">\n<li style=\"margin-bottom:5px\"><span style=\"color:#101010;font-weight: normal;\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-638a7387bd72763290cc777a9b509c38_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"E\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"14\" style=\"vertical-align: 0px;\"><\/p>\n<p> \u00e8 il modulo di Young del solido. <\/span><\/li>\n<li style=\"margin-bottom:5px\"><span style=\"color:#101010;font-weight: normal;\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-e8e197a6f1572ae9b5a16039ea626388_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\rho\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"9\" style=\"vertical-align: -4px;\"><\/p>\n<p> \u00e8 la densit\u00e0 del solido. <\/span><\/li>\n<\/ul>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Velocidad-de-propagacion-de-una-onda-longitudinal-en-un-gas-sonido\"><\/span> Velocit\u00e0 di propagazione di un&#8217;onda longitudinale in un gas (suono) <span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"has-text-align-center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-d3d59a63c39209d1e79a4708a7cb4018_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle v=\\sqrt{\\frac{\\gamma \\cdot R\\cdot T}{M}}\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"118\" style=\"vertical-align: -14px;\"><\/p>\n<\/p>\n<p style=\"margin-bottom:5px\"> Oro: <\/p>\n<ul style=\"color:#4fd12f; font-weight: bold;\">\n<li style=\"margin-bottom:5px\"><span style=\"color:#101010;font-weight: normal;\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-7b9abe136d2f0d53300727f373cfed43_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\gamma\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"10\" style=\"vertical-align: -4px;\"><\/p>\n<p> \u00e8 il coefficiente adiabatico del gas (nel caso dell\u2019aria<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-774f6539a240d6d586e71d7f254f9a20_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\gamma=1,4\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"60\" style=\"vertical-align: -4px;\"><\/p>\n<p> ). <\/span><\/li>\n<li style=\"margin-bottom:5px\"><span style=\"color:#101010;font-weight: normal;\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-7e093fd43ad2c244140c11afe4d4bdff_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"T\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"13\" style=\"vertical-align: 0px;\"><\/p>\n<p> \u00e8 la temperatura del gas espressa in Kelvin. <\/span><\/li>\n<li style=\"margin-bottom:5px\"><span style=\"color:#101010;font-weight: normal;\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-d6abdd487c56e5efbb2c9522ed4b9360_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"R\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"14\" style=\"vertical-align: 0px;\"><\/p>\n<p> \u00e8 il gas costante ideale,<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-4c0f7fbfe9e1ba6dcf327e7c11342c16_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle R=8.31 \\ \\frac{J}{mol\\cdot K}\" title=\"Rendered by QuickLaTeX.com\" height=\"36\" width=\"136\" style=\"vertical-align: -12px;\"><\/p>\n<p> . <\/span><\/li>\n<li style=\"margin-bottom:5px\"><span style=\"color:#101010;font-weight: normal;\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-27d6692c77760dc1111628e74a6d272f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"M\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"19\" style=\"vertical-align: 0px;\"><\/p>\n<p> \u00e8 la massa molecolare del gas.<\/span><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Questo articolo spiega cosa sono le onde meccaniche in fisica e quali sono le loro caratteristiche. Quindi troverai la definizione di onda meccanica, esempi di onde meccaniche, qual \u00e8 l&#8217;equazione di un&#8217;onda meccanica e, inoltre, quali sono i diversi tipi di onde meccaniche. Cos&#8217;\u00e8 un&#8217;onda meccanica? Un&#8217;onda meccanica \u00e8 un tipo di onda che viaggia &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/physigeek.com\/it\/onda-meccanica\/\"> <span class=\"screen-reader-text\">Onda meccanica<\/span> Leggi altro &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"","footnotes":""},"categories":[3],"tags":[],"class_list":["post-462","post","type-post","status-publish","format-standard","hentry","category-cinematografico"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u25b7 Onda meccanica: caratteristiche, formula, tipologie ed esempi<\/title>\n<meta name=\"description\" content=\"Qui imparerai cos&#039;\u00e8 un&#039;onda meccanica, le sue caratteristiche, la formula, i tipi di onde meccaniche ed esempi di onde meccaniche.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/physigeek.com\/it\/onda-meccanica\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u25b7 Onda meccanica: caratteristiche, formula, tipologie ed esempi\" \/>\n<meta property=\"og:description\" content=\"Qui imparerai cos&#039;\u00e8 un&#039;onda meccanica, le sue caratteristiche, la formula, i tipi di onde meccaniche ed esempi di onde meccaniche.\" \/>\n<meta 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