Предмет: Физика, автор: jekkorcevskij

Радіолокатор працює на довжині хвилі 40 см і відправляє імпульс iз частотою 4 кГц і тривалістю 2 мкс. Визначте пе- рiод коливань хвилі, на якій працює радіолокатор.

ilibakievnursat: оооо

katyaualenka309: аааа

ilibakievnursat: привет

katyaualenka309: вввв

ilibakievnursat: чио

ilibakievnursat: ой

ilibakievnursat: что

ilibakievnursat: шш

Ответы

Автор ответа: bubabau14

5

Ответ:

ν = c/λ де ν - частота хвилі, с - швидкість хвилі

ν = 3*10⁸м/с /0,4 м = 7,5*10⁸Гц

Объяснение:

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Математика, автор: 62g4kj9c2k

(-1; 2), (0; 2), (1; 1), (1; 0), (0; -2), (-8; -8), (-7; -6), (-7; -4), (-6; -1), (-5; 1), (-1; 5), (- 2; 8) (- 2; 9) , (-1; 10), (1; 10), (2; 9), (5; 8), (2; 8), (1; 7), (2; 5), (3; 2), (3; 1), (2; -1), (2; -2), (-1; -5), (-1; -8), (1; - 9) (0; -10), (-1; -9), (-1; -10), (-2; -8), (-2; 5,5), (-5; -7), (-6; -9), (- 9; - 9) (-8; -8). Виконати малюнок по кординатам(пожалуйста сделайте дам как можно больше балов очень надо пожалуйста кину на морожено пж пж)

2 года назад

Предмет: Английский язык, автор: tanyshka24yak

Будь ласка, допоможіть зробити твір я люблю літо! Ось конструкція:My favourite season is ...
I like ... because I can ...
I don' like ... because I feel ...

2 года назад

Предмет: Английский язык, автор: smakuladaria

Read and choose the question that is reported correctly.
1. "Are you from France?"
He asked me if I am from France.
He asked me if I were from France.
He asked me if I was from France.
2. "Do you live in Mexico?"
She asked him if he lived in Mexico.
She asked him if he lives in Mexico.
She asked hm if he does lives in Mexico.
3. "Can you speak Italian?"
I asked you if you can speak Italian.
I asked you if you could speak Italian.
I asked you can you speak Italian.
4. "Are they cleaning their bedrooms?"
The woman asked if they are cleaning their bedrooms.
The woman asked if they was cleaning their bedrooms.
The woman asked if they were cleaning their bedrooms.
5. "Do you have any brothers or sisters?
The teacher asked me if I have any brothers or sisters.
The teacher asked me if I had any brothers or sisters.
| The teacher asked me if I did have any brothers or sisters.
6. "Will your take the exam soon?"
Dad asked me if I was taking the exam soon.

2 года назад

Предмет: Английский язык, автор: nikitagerter39

Очень срочно 4 Write the questions for these answers. Use the same verb in the question that you see in the answer. 0 Margie started playing football in 2016. When did Margie start playing football?
1 I woke up at 7 a.m. When ________ you _________________?
2 I went to the cinema. Where________ you _________________?
3 I met Claudia and Katarina last night. Who ________ you _________________ last night?
4 We talked about boys and music! What ________ you _________________ about?
5 They left at about 10 p.m. When ________ they _________________?
6 No, I didn’t watch TV. ________ you _________________ TV?
7 Yes, I did my homework. ________ you _________________ your homework?

7 лет назад

Предмет: Английский язык, автор: sajbulatovaakbermet

" What are you going to do this weekend?
A. I may to go away
B. I might go away
C. I might to go away
D.I must to go away

7 лет назад