Предмет: Физика, автор: Аноним

1)У яких середовищах може поширюватися поперечна механічна хвиля?
2)У скільки разів зміниться період вільних коливань математичного маятника, якщо він почне рухатися з прискоренням а=g/2 напрямленим униз
3)Точка А хвилі в певний момент часу рухається вниз (див. рис.). У який бік рухаються в цей самий момент часу хвиля?

Приложения:

Ответы

Автор ответа: lz526615

Ответ:

1) у пружних середовищах
2)збільшиться у 2 рази
3)вверх

Объяснение:

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