Предмет: Физика, автор: chooo63

4. При подготовке пружинного арболетта к выстрелу пружину с жесткостью 20 15 см. а) Вычислите потенциальную энергию сжатой пружины. b) Определите полную механическую энергию пружины c) После выстрела, в некоторый момент, кинетическая энергия пружины стала равна значение потенциальной энергии пружины в этот момент времени.​

Ответы

Автор ответа: berga1442
1

Ответ:

вралныеоврдвлпвншцегвшнчлрсндвншврщвеоцнлышнагсбочлрвшевншажлрдгваоыплаибвкнц

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9 form
Writing Comprehension Test
Semester II

I. Choose the correct variant to complete the sentences:
1)Mr Richards, ____ is a taxi driver, lives on the corner.

A. who
B. which
C. whom
D. whose

2)Thank you very much for your e-mail __ was very interesting.

A. who
B. which
C. whom
D. whose

3)The children, ___shouted in the street, are not from our school.

A. who
B. which
C. whom
D. whose

4)The car, ____ driver is a young man, is from Ireland.

A. who
B. which
C. whom
D. whose

5)What did you do with the money __ your mother lent you?

A. who
B. which
C. whom
D. whose

6)This is the man ____ saved the kid.

A. who
B. which
C. whom
D. whose


II. Choose the correct option:
1. If you send /sends/ will send this letter now, she will receive/ receive/ receives it tomorrow.
2. Peggy go/ goes /will go shopping if she have/ has/ willhave time in the afternoon.
3. If her boyfriend won`t phone/ doesn`t phone/ don`t phone today, she leave/ leaves/ will live him.
4. If they won`t study/ doesn`t study/ don`t study harder, they won`t pass/ don`t pass/ doesn`t pass the exam.
5. If my friends will come/ comes/ come, I will be/ be/ am very happy.
6. If she will earn/ earn/ earns a lot of money, she will fly/ flies/ fly to New York.

III. Rewrite sentences into Passive Voice:
1. Mother waters the flowers.
2. The dog bit the old lady.
3. Oliver taught the children.
4. She does the housework.
5. Tom and Max ate five hamburgers.
6. I take photos.

IV. Write a few sentences about yourself. (Your name, your family, your hobbies, your future profession etc.)