Пуля 9г.вылетает из ствола винтовки со скоростью 800м/с. Какова ее кинетическая энергия?
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ФизикаАвтор:
button8hxzЕ(кин)=m*v^2/2 масса= 9 г= 0.009 кг Е= 0.009 * 800^2 /2 = 5760/2 = 2880 Дж
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augustusmahoneyДобавить свой ответ
сочинение на тему разговор моих игрушек
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Русский языкАвтор:
maxwell77Ответов:
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Make up five guestions in the Past Simple about the text. На каждый Who/when/why/what., по 5 вопросов. Умоляю срочно!
Use:
Who/When/Why/What.
Текст: Balzac was a famous French writer of great talent. But he bad a strange habit he liked to tell a person's character by his or her handwritiтg. He was very proud of his ability, and he often boasted of it among his friends. One day his friend brought him an exercise book and said ' May dear friend, I want to know what you think of this boy's character. Don't be afraid to tell me the truth, he is not my son. Balzak was very glad to demonstrate his ability again and began studying the handwriting. After some minutes of hard work he said All right, I'll tell you the truth. The boy is a bad and lazy fellow. It is very strange said his friend and smiled. This is a page from your own exercise book, which you used when you were a boy.
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Английский языкАвтор:
rachelОтветов:
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Где и какие(зимние или летние) олимпийские игры были с 2000 до 2014 года ?
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