Предмет: Физика, автор: mariiasachniy

ПЖЖЖЖЖ ПОМОГИТЕ СРОЧНООО
на укр
Визначити кут відбивання, якщо він в 3 рази менший, чим кут між відбитим променем та горизонтом.​


fatt52: Можно перевод?
mariiasachniy: Определить угол отражения, если он в 3 раза меньше угла между отраженным лучом и горизонтом

Ответы

Автор ответа: fatt52
1

Ответ:

22,

Объяснение:

α - угол между нормалью и отражённым лучом

β - угол между отражённым лучом и горизонтом

По условию α=β/3  --->  β=3*α

α+β=90°

α+3*α=90°

α=90/4=22.5°

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