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Яка робота виконується при ударі механічного молота, маса якого 1200 кг , якщо його швидкість на початку удару була 6 м/с
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Предмет:
Физика -
Автор:
pebblesvqyk - 6 лет назад
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Ответы 2
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При ударе работа будет состовлять 2800дж
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Автор:
phoebe55 - 6 лет назад
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0
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type shack govorushhhggv
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Автор:
cesáreoramos - 6 лет назад
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0
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Сократите текст пожалуйста
The United States of America.
The USA is one of the largest countries in the World. It is situated in the central part of the North American continent. The area of the USA is over nine million square kilometers. It is washed by the Pacific Ocean.
The population of the United States is nearly 250 million people, most of the people live in towns.
People of different nationalities live in the USA.
The official language of the country is English. The capital of the country is Washington. It was named in honour of the first President George Washington. The climate is different regions.
There are many mountains in the USA. The main river of the country is the Mississippi. But there are many other great rivers in the USA,
The USA is a highly developed industrial-country. The USA is in mineral resources, such as alumiunum, sait, zinc, coppers, and others. The country is rich in coal, natural gas, gold and silver, too. It holds one of the first place in the world for the production of coal, iron, oil, natural gas.
Such industries as machine-building, ship-building are highly developed in the country.
American agriculture produces, alot of food products: grain, frait, vegetables.
The USA is a federal republic, consisting of fifty states. Each of these states has its own government. Congress is the American parliament which consists of two Chambers.
The president is the head of the state and the government. He is elected for four years. There are two main political parties in the USA. They are the Democratic Party (was orgnized in the 1820s) and the Republican Party (was organized in the 1850s) The Communist Party of te USA was founded in Chicago in 1919.-
Предмет:
Английский язык -
Автор:
aldoqron - 6 лет назад
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Ответов:
3 -
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Помогите решить задачу: Прокладывая участок скоростного шоссе длиной 40 км, за первую неделю рабочие заасфальтировали 3/20 участка, а за вторую 5/18 оставшийся части. Сколько км дороги заасфальтировано за вторую неделю?
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Предмет:
Математика -
Автор:
elyse - 6 лет назад
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Ответов:
3 -
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- что нового появилось в жизни городских верхов?
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Решите уравнение: (5/6- 1/3)÷1 1/5= 2/9
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Предмет:
Математика -
Автор:
gillespie - 6 лет назад
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Ответов:
1 -
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