Предмет: Физика, автор: doralinxs

ТЕРМІНОВО!! ДАМ 100 БАЛІВ!
ДОПОМОЖІТЬ БУДЬ ЛАСКА
2 завдання в преоритеті ​

Приложения:

Ответы

Автор ответа: 1Manka1
1

Ответ:

серная кислота

Объяснение:

Дано:

sina=60°

sinβ=38°

======

n-?

n=sina/sinβ=0,866/0,616≈1,41

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