Предмет: Физика, автор: Аноним

Якою є довжина звукової хвилі в повітрі, якщо джерело звуку здійснює 6750 коливань за півтори хвилини? Якою є довжина цієї хвилі у воді? Швидкість звуку у повітрі дорівнює 337,5 м/с, швидкість звуку у воді — 1350 м/с.

Ответы

Автор ответа: denis20202022

Ответ:

Объяснение:

L = V/частота

частота = 6750/1,5*60 сек = 6750/900 = 675/9 = 75 Гц

L = 337.5/75 = 4.5 м - длина волны в воздухе

L вода = V/частота = 1350/75 = 18 метров

ZeckaGames: почему ты скорость на чистоту делешь, если формула чистота/скорочсть=длина

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