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Elbek11ee
05.09.2021 08:41
Физика
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5a 4

Fill in: turned, escaped, surrounded,
1
appeared, studied.
1 We were amazed to see that our ship was
by whales.
2 We
on the lights so we could
see what was outside.
3 The professor
.. the strange
animals he saw in the ocean.
4 Luckily, the whole crew
just
before the ship sank.
5 A strange light
from an
underwater volcano.

295
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Ответы на вопрос:

Любаша5648
Любаша5648
4,4(21 оценок)
Дано: υ  = 440 гц vвоз = 340 м/с vстек = 5 500 м/с λвоз - ? λстек - ? в воздухе: λ воз = vвоз /  υ = 340 / 440  ≈ 0,77 м в стекле: λ стек  = vстек /  υ = 5 500 / 440  ≈ 12,5  м

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