Материальная точка совершает гармонические колебания по закону: x=0.2sin(4Пt-П/4). Найти амплитуду, период колебаний, начальную фазу колебаний и смещение точки в начальный момент времени.

Привет ребят!Помогите мне с блок-схемой(алгоритмом).Ума не приложу,что делать:(

Сама задача:

       --     -3,если х<-3

у=<|        x, если -3=<x<0

       --      4x,если х>4

    --    

<|      - это фигурная скобка

    --     

Отдаю все пкт,что у меня есть,мне не жалко:)

 Блин,что никто не знает?(((

Меры по укреплению позиций дворянства

История, 8 класс, время правления Николая 1.

Singular - Plural 

1.One Mouse - Some....

2.One bus - Some.....

3.One calf. - Some

4.One shelf - Some....

5.One fish - Some....

6.One ox - Some....

7.One baby - Some....

8.One boy - Some...

9.One Man - Some ....

10.One tooth - Some....

11.One book - Some....

12. One person - Some....

13.One avocado - Some....

14.One city - Some....

15.One tomato - Some.....

16.One box - Some....

17.One cat - Some....

18.One hero - Some....

19.One sheep - Some....

20.One knife - Some....

21.One goose - Some....

22.One woman- Some....

23.One thief - Some.....

24.One country - Some....

25.One kiss - Some....

1.Write the - He/She/It terms

1.Catch___________

2.Come___________

3.Start____________

4.Watch___________

5.Wish____________

6.Push____________
7.Fix______________

8.Touch___________

9.Play_____________

10.Write___________

2.Circle the correct form of the verb 

1. Mary  take / takes care of her brother

2.Mark play/plays  in the park

3.The men eat/eats fish

4.I swim/swims in the lake 

5.Mary and Sue live/lives in Lisbon

6.He is/are from Portugal

7.My cat drink/drinks milk

8.My father work/works in a bank

9.Mary touch/touchs her nose

10.Mark study/studies hard

3.Complete the sentences with the correct form of the verbs in brackets

1.The children___________(Love) the flowers in our garden

2.We__________(Arrive) at school at 8:30

3.A pianist__________(Play) the piano

4.Mary____________(Speak) English very well

5.I___________(Take) a shower every morning

6.Mr Smith__________(Go) to work by bus

7.My english teacher________(Be) very gentle with us

8.A doctor_________(Treat) patients

9.Ann and her sister_________(Be) twins

10.My cat_________(Like) fish.

4.Look at the following affirmative sentences.Put them in the negative form

1.Mark gets up late. - 

2.My mother cleans the room. - 

3.I am a student. - 

4.They go to cinema at weekends. - 

5.I like ice-cream. - 

6.You drink water. - 

7.I travel by plane. - 

8.Bob sleeps until eleleven o'clock on Sundays. - 

9.Meg's sister works in a office. - 

10.The woman takes care of her house. -