Предмет: Физика, автор: illacucur09

10в. Чи поруши ться рівновага терезів? А. Переважить правий брусок. Б. Рівновага не порушиться. В. Переважить лівий брусок. Вода Вода

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Ответы

Автор ответа: zinovicgrigorij

0

Ответ: В. Переважить лівий брусок.

Объяснение:

Равновесие нарушится. Перевесит левый брусок. На правый брусок действует большая выталкивающая сила Архимеда, так как объем правого бруска больше объема левого бруска. Сила Архимеда равна:

Fa=ρgV, где:

ρ-плотность жидкости;

g-ускорение свободного падения;

V-объем тела

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English means much in my life. I think that it means much not only for me. Many people in our country are interested in English. They learn and love it and they think the same way as I do.

Not long ago computers and internet have appeared. When a man works in the internet he gets much information in English. When you want to set the definite program you meet with many sets in English. If you don`t know English you can`t understand the material.

English enters to our everyday life. On the doors of the shops in our small town we can see the signs "Open" and "Closed".

When we buy TV-sets and telephones we can get instruction and names written in English.

I think that English in our life means much. Certain people, who study English hope to become English men, go abroad, get rich and maybe see famous actors. Is that really wonderful?

Maybe with the help of English they can fulfill their dream. To my mind studying English is very interesting and funny.

Learning foreign languages is important nowadays. I think that any educated person must learn foreign languages. But I prefer English to other foreign languages. Why? English is becoming a global language. A half of billion people in the world use English at home or work. English is the language which is known for the most part of our fine, magnificent and surprising world. English is so widespread that it has become the standard language for all kinds of international communication.

A lot of problems of the 21st century, such as the problems of war and peace, ecology, can not be solved without speaking the same language.

The English language is now the first language of about 350 million people, the native language of 12 nations and the official language of more than 33 nations. It means that one of seven people in the world speaks English.

English is also the international language of businesspeople, pilots and air traffic controllers, sportsmen, scientists and students. If you want to be a stewardess, a pilot or an air control officer you have to learn English, the language of international communication. Every year thousands of people from Russia go to different countries as tourists or to work. They can’t go without knowing the language of the country they are going to. A modern engineer or even a worker cannot work with an imported instrument or a machine if he is not able to read the instruction how to do that.

Some people learn English because they need it in their work; others to travel aboard and for lots of people learning English is just a hobby.

I have been learning English since the age of 11. I like learning English very much. But I like and know well my native language, Russian. The great German poet Goethe once said: “He, who knows no foreign language, does not know his own one.” I agree with him. The knowledge of English helps me to learn Russian.The knowledge of English is a great power. I need to know English. I must appreciate and embrace this knowledge as the key to achievement of my dream. I hope my progress in English will be very good.

I think that nowadays English studying is a very important phenomenon. English language became an international language. English occupies leading position among such languages as Russian, Chinese, Spanish, Arabic and French - it is the official languages of the UN. All large companies such as air and sea companies use this language. I guess that in future all people will speak English. My mother says that every educated person should know foreign language or may be some foreign languages. I think that people who know English can visit different countries without problems, because English gives a possibility to communicate with foreign people. Today many people study English. Some of them because of work necessity; they need to make agreements and many different documents. Also a lot of people travel abroad. And for other people language studying is a hobby. They just want to wide their outlook.

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