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Консультация № 195916
27.06.2019, 18:59
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Здравствуйте! Прошу помощи в следующем вопросе:
Чему равна скорость распространения звуковой волны в медной проволоке длиной 10 м, которая натянута с силой 200 Н? Масса проволоки 50 г.
Чему равна скорость распространения звуковой волны в медной проволоке длиной 10 м, которая натянута с силой 200 Н? Масса проволоки 50 г.
Обсуждение
29.06.2019, 08:13
общий
это ответ
Здравствуйте, dar777!
Скорость
распространения волны по струне зависит от её натяжения 
и массы 
единицы длины. В Вашем случае 
Н, масса проволоки 
кг, длина проволоки 
м, 
(кг/м),
(м/с)
(при решении задачи использована формула на странице 536 [1] и учтено, что произведение плотности
материала струны на площадь 
её поперечного сечения равна массе единицы длины).
Литература
1. Яворский Б. М., Детлаф А. А. Справочник по физике для инженеров и студентов вузов. -- М.: Наука, 1968. -- 940 с.
Скорость
распространения волны по струне зависит от её натяжения и массы единицы длины. В Вашем случае Н, масса проволоки кг, длина проволоки м, (кг/м), (м/с)(при решении задачи использована формула на странице 536 [1] и учтено, что произведение плотности
материала струны на площадь её поперечного сечения равна массе единицы длины).Литература
1. Яворский Б. М., Детлаф А. А. Справочник по физике для инженеров и студентов вузов. -- М.: Наука, 1968. -- 940 с.
5
Это самое лучшее решение!
Об авторе:
Facta loquuntur.
Facta loquuntur.
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