катер трогаясь с места за 2.5 с набирает скорость 43.2 км/ч. с каким ускорением движется катер? чему равно его перемещение за это время?

задача: двигаясь с ускорением 0,6 м/с( в квадрате), автомобильостанавливается через 20с после торможения. чему равна скорость автомобиля в начале торможения? 

Здвраствуйте,мне нужен ващ помощь,задании внизу,буду блогадарен

Passive - Active

1. The boy will mix the tenses.
2. They will buy the piano.
3. We shall do that work.
4. The sisters will beat their brother.
5. All the people will encourage him.
6. The teacher will bring the photos.
7. My friend will paint the walls.
8. I will gather the flowers.
9. The russians will kill the turks.
10. My neighbors will ask questions.

Ask questions

General

1. - ?
-Yes, I will do everything.

2. - ?
- No, she isn’t crying now.

3.- ?
Yes, I go to the cinema very often.

4. - ?
- No, he doesn’t watch films in the evenings.

5. - ?
-Yes, it was raining heavily.

6.- ?
-No, he didn’t come to have breakfast with us.

7.- ?
-No,Tom didn’t drink coffee?

8. - ?
Yes, The boys often run in the mornings.

9. - ?
- No, we were not waiting any more.

10. - ?
- Yes, I will call you tomorrow.

Special

11. - ?
-I’m going to the cinema.

12. - ?
-He often paints walls.

13. - ?
-Tom was fighting with him.

14. - ?
-He came because he wanted to see me.

15. - ?
- He will come here at ten o’clock.

16. - ?
- My sisters are walking in the park now.

17.- ?
- The child watches videos.

18. - ?
His teachers went to the library.

19. - ?
- I didn’t come because I didn’t want to see her.

20.- ?
-He will say it next month.

Disjunctive

21 His friends are sitting in the café,
22. He isn’t running now,
23.Tom speaks English very well,
24 Tom and Mary don’t help their mother,
25.The old woman fell on the floor,
26. These people didn’t beat him,
27. The cat was sleeping,
28The pupils weren’t driving a car,
29. My brother will make a house,
30. We shan’t break the door,

Alternative

31. He is wearing a red suit.
32 The men are watching TV.
33 My uncle plays the guitar.
34 We sell houses.
35 The boy rode a horse.
36 We drank coffee a lot.
37The woman was making dinner in the evening.
37They were closing the windows.
39We shall clean the rooms.
40 The boys will buy it.

почему современные одноклеточные животные не вымирают,хотя живут среди более высоорганизованых животных?