Предмет: Физика, автор: Glovus

Срочно
Частота радиоволны равна 5 МГц. Рассчитай период колебаний зарядов в антенне, которая излучает данные радиоволны.

мк (микро) = 10−6 (например, 1 мкс = 10−6 с).

Ответы

Автор ответа: groceryof1992
2

Ответ:

Дано

u(частота) =10*10^6 Гц

Т-?

Решение

Т=15/u

T=5/10*10^6=0,5*10^-6=0,1 мкс

Ответ :Т=0,5мкс

Предыдущий вопрос
Следующий вопрос
Похожие вопросы
Предмет: Английский язык, автор: persa20
умоляю нужна помощь очень жду дам 40 бал
1-THE PRONOUN. Fill in the gaps with a lot, a lot of, many, and much.
1. Do you drink ... coffee? 2. There is not ... milk in the fridge. 3. How ... dishes do you cook for the Holly Eve in Ukraine? 4. Jane knows ... about accounting. 5. Do you read ... during weekends? 6. He is very fat. He eats ... . 7. There are not ... banks in our town. 8. How ... does cheese cost? 9. How ... bottles of wine did you buy? 10. There are ... cafes in our town. 11. I found ... information about table manners.


2-TYPES OF QUESTIONS. What questions could you ask to get the following answers?
1. Because I wanted to be a food technologist, no other reason. 2. He is twenty years old. 3. She is reading now. 4. I live in a flat near the centre of the town. 5. He speaks three foreign languages. 6. I went to the cinema. 7. Yes, he will work tomorrow. 8. Yes, he has already left school. 9. He will graduate from the university in two years. 10. She is a teacher of English.

3-THE PRONOUN Fill in the gaps with me, her, him, it, us, you, them.
1. Who is that waitress? Why are you looking at ... ? 2. - Do you know these waiters? - Yes, we worked with ... two years ago. 3. I am talking to you. Please, listen to ... . 4. I like this cake. I will order ... . 5. Those apples are bad. Do not eat ... . 6. Where is she? I want to talk to ... . 7. We are going to the theatre. You can come with ... . 8. I congratulate you on your birthday. This cake is for ... . 9. They are in the kitchen. Ask ... about the recipe of this dish. 10. I would like a glass of water. Please, pass ... to ... .




4-THE PRONOUN. Fill in the gaps with some, any, somebody, something, somewhere, anybody, anything or anywhere.
1. We need ... water. 2. We haven't got ... fruit. 3. Have we got ... tea? 4. Would you like ... coffee? 5. There are not ... tomatoes in the fridge. 6. Does ... like borsch in Ukraine? 7. Would you like ... to eat? 8. We haven't got ... for dinner. Could you buy me food? 9. Will you bring me ... to drink? 10. Can you tell me ... about Ukrainian cuisine? 11. Let's go ... to have a bite.


5-THE ARTICLE. Insert articles where necessary.
1. - What does she do? - She is ... engineer. 2. I must go to ... plant to see ... production manager. 3. ... first month I worked at the plant was very difficult for me. 4. I usually have only ... cup of ... coffee in ... morning. 5. I like ... fellows I study with. 6. After graduating from ... university she will work as ... food technologist. 7. She often has ... dinner in ... restaurant. 8. This man is ... engineer I told you about. 9. Open your books on ... page 87 and read ... text about ... food. 10. Do you like ... plums?



6-TYPES OF QUESTIONS. What question would you ask to the underlined word?
1. Every summer we visit our relatives. 2. Ann is a technician. 3. My brother entered the university last year. 4. My parents are very persistent and determined. 5. My friend will be at home in the evening. 6. She speaks three foreign languages. 7. Kate has four classes on Monday. 8. It takes me 20 minutes to get to the university by bus. 9. Tom was born in Dublin in 1961. 10. They played football yesterday.


7--THE ARTICLE. Insert articles where necessary. Pay attention to the use of articles with proper names.
1. Last year he had a business trip to ... United States, ... Philippines and ... India. 2. ... Mediterranean Sea is very warm. 3. They usually spend their holidays in ... Carpathian Mountains or at ... Black Sea. 4. ... Poltava University of Economics and Trade is in ... Koval Street. 5. He likes to stay at ... Hilton Hotel when he is on a business trip. 6. ... Swiss are famous for their cheese. 7. I read ... Daily Telegraph but my brother reads ... Times. 8. We flew from... London to ... Orly Airport in ... Paris. 9. We visited ... Tower of London last year. 10. ... Asia is the largest continent. 11. ... Danube flows through ... Vienna, ... Budapest and ... Belgrade.
1 год назад
Предмет: Русский язык, автор: sasha20020202
Что такое "Телемост"?
1 год назад
Предмет: Другие предметы, автор: срочно14
пешеходу на нерегулируемом на участке дороги можно выходить на проезжую часть только после того, как...
1 год назад
Предмет: Литература, автор: artem123420072018
план до казки лисиця що впала з неба
8 лет назад
Предмет: Другие предметы, автор: соня504
немецкий язык. напиши рассказ о каком нибудь животном.4 кл. три,четыре строчки.
8 лет назад