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Pavelilik
@Pavelilik
July 2022
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Люди, кто хорошо разбирается в физике. Помогите, пожалуйста!
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fatt52
Verified answer
1) n=sin60/sin40=sin30/sinβ
sinβ=sin30*sin40/sin60=0.5*0.643/0.866=0.371
β=arcsin0.371≈22°
===========
2) n=sin70/sinβ sinβ=sin70/1.5=0.626
β=arcsin0.626≈39°
===============
3) смотри приложении
==================
4) α=90-20=70°
=============================
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Pavelilik
Спасибо огромное!)
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Answers & Comments
Verified answer
1) n=sin60/sin40=sin30/sinβsinβ=sin30*sin40/sin60=0.5*0.643/0.866=0.371
β=arcsin0.371≈22°
===========
2) n=sin70/sinβ sinβ=sin70/1.5=0.626
β=arcsin0.626≈39°
===============
3) смотри приложении
==================
4) α=90-20=70°
=============================