KumiswaIsayensi

Ijubane umsindo emanzini,

Umsindo - kwenye yezingxenye yezimpilo zethu, futhi omunye ayizwe yonke indawo. Ukuze sihlole kabanzi lesi simanga, kudingeka siqale sithole ukuqonda umqondo. Ngenxa yalesi kumelwe siphendukele encyclopedia, lapho ebhaliwe ukuthi "umsindo -. Ngayo amagagasi nokunwebeka lokusakaza endaweni ziqinile futhi adale kunyakaza mechanical kuwo" Ngamagama ngaphezulu elula - kuba kunyakaza ezwakalayo kunoma iyiphi imvelo. Lapho kulele, kanye izici eyinhloko umsindo. Endaweni yokuqala - ijubane esiphelweni, isibonelo, ijubane umsindo emanzini kuhlukile enye medium.

Noma yimuphi analog umsindo possesses izakhiwo ezithile (nezici zabo ezingokomzimba) kanye izici (kuveza izici kulezi emizweni yomuntu). Ngokwesibonelo, ubude, ububanzi, ukuphakama, imvamisa, Ukwakheka-ithoni, nokunye.

Ijubane umsindo emanzini iphakeme kakhulu kunanoma, bathi, emoyeni. Ngenxa yalokho, elulele ngokushesha futhi ezwakalayo okuningi. Lokhu kwenzeka ngenxa eliphezulu yamangqamuzana aqueous naphakathi kwabantu. Kuyinto izikhathi 800 nesisindo esikhudlwana kuka air nensimbi. Lokhu kusho ukuthi ngezindlela eziningi wokusakazeka umsindo incike ophansi. Ibhekisela sibalo ethize. Ngakho, ijubane umsindo emanzini ilingana 1430m / s, emoyeni - 331,5m / s.

Umsindo ongaphakeme-imvamisa, isibonelo, umsindo oveza injini zasolwandle ukugijima, wezwa njalo isikhathi esithile ngaphambi umkhumbi iza ngokubona. Isivinini salo kuncike ezintweni eziningana. Uma izinga lokushisa kwamanzi luyanda, ngokwemvelo, it kwandisa ijubane umsindo emanzini. Kwenzeka okufanayo uma egcwele usawoti okwandisa nokucindezelwa okwandisa nge okwandisa isikhala amanzi ukujula. A indima ekhethekile izinga ungaba into ezifana thermocline. Lokhu izindawo lapho kunezinhlobo ezahlukene izingqimba amanzi lokushisa.

Futhi, ezindaweni ezahlukene kwabantu amanzi (ngenxa umehluko uhla lokushisa). Futhi lapho kudlule amaza omsindo ngokusebenzisa izingqimba density ezahlukene ezifana, balahlekelwa kakhulu force yabo. Ebhekene nazo thermocline, kwakusondela igagasi umsindo kancane, futhi ngezinye izikhathi kubonakala ngokuphelele (idigri kuveza incike engela lapho umsindo uwela), bese ngakolunye uhlangothi kule ndawo, ezonini isithunzi kwakhiwa. Uma sicabangela isibonelo lapho umthombo umsindo itholakala emanzini ngaphezu thermocline, isivele ngezansi ukuzwa lutho nhlobo akuyona into enzima futhi cishe kungenakwenzeka.

Ukuvevezela Sound, okuyinto ekhishwa ngaphezu kwamanzi, emanzini uqobo zazingakaze zizizwe. Ngakolunye uhlangothi ke kwenzeka uma umthombo umsindo ngaphansi ungqimba amanzi: ke akuzwakali phezu kwalo. Isibonelo esimangalisayo - abatshuzi yesimanje. izindlebe zabo ancipha kakhulu ngenxa yokuthi amanzi enza izinto eardrum, futhi ijubane eliphezulu umsindo emanzini kunciphisa ukuzimisela izinga ngakuphi ihamba. Ngaleyo ndlela imizwa ikhono umsindo we-stereo bezibona.

Ngaphansi kwamanzi amaza omsindo ufake indlebe yomuntu ithambo cranial kakhulu ngokusebenzisa yinhloko, ungabi njengoba emkhathini, ngokusebenzisa eardrums. Umphumela yale nqubo kuba Umbono wakhe kokubili izindlebe kanyekanye. Ubuchopho bomuntu akakwazi ngalesi sikhathi ukuhlukanisa isikhundla kuyiphi amasignali yamukelwa, futhi yini umfutho. Umphumela ukuvela ukwazi, ukuthi izwakala sengathi imiqulu nxazonke ngesikhathi esisodwa, nakuba kungenjalo.

Ngaphandle kwezinto ezibalwe ngenhla, amaza omsindo egumbini amanzi unezimfanelo ezifana ukumuncwa, le kwehlukana kanye kusakazeka. Eyokuqala - lapho amandla umsindo e asolwandle kancane kancane zicekela phansi ngenxa ukungqubuzana yamanzi imvelo futhi usesimweni nosawoti wakhe. I ukushintsha kubonakala ukususa umsindo lwaluvelaphi. Wayebonakala ukuncibilikisa emkhathini ukukhanya, futhi ngenxa yalokho, ngegalelo lako incipha kakhulu. A zinyamalale ngokuphelele ekushintshashintsheni ngenxa ihlakaza ngazo zonke izinhlobo izithiyo, ezindaweni heterogeneous.

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