@CherylCole

CherylCole

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zadanie 1Największa częstotliwość dźwięków wydawanych przez delfiny wynosi O,1 kHz. Oblicz długość fali dźwiękowej wysyłanej przez delfiny w wodzie morskiej, gdzie średnia prędkość dźwięku wynosi 1500 m/s. Oblicz długość fali dźwiękowej wysyłanej przez delfiny w powietrzu,gdzie średnia prędkość dźwięku wynosi 330 m/s. Określ różnicę czasów potrzebną na pokonanie tej fali w powietrzu i w wodzie na drodze 2 km.zadanie2Faza początkowa w pewnym ruchu drgającym wynosi 0, amplituda A, a okres 4s. Po jakim czasie, po raz pierwszy, wychylenie wyniesie połowę amplitudy?Bardzo proszę o pomoc dam naj :)
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Napisz po 3 pytania do każdej sceny z "DZIADÓW cz.III"Bardzo proszę o szybką odpowiedź :)
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Jednostką indukcji pola magnetycznego jest tesla. Ze wzoru na siłę elektrodynamiczną wyprowadź wymiar tej jednostki stosująć podstawowe jednostki S.proszę o pomoc :)
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Uzupełnij brakujące litery:1.Who are you going to _ _t_ _ for durning the next elections?2. In some countries people must stand in long _u_ _ _ _ to buy food.3. I did no know John spoke so many foreign _ _n_ _ _ _ _ _.4. All dogs have to learn during their training to be _b_ _ _ _ _ _ to their owners.5. If you want me to paint the roof I will have to use your _ _d_ _ _ .6. Has the _ _ _t_ _ _ come yet? Yes he bought the letters at half past ten. there is one for you on your desk.7. Mr. Black is a very charming person. He always smiles and g_ _ _ _ _ me with a nice "hallo" when he sees me.8. I have to _d_ _ _ I was not right. I should have taken your advice.9. I do not _ _ v_ The Wilsons their house and their car.10. Everybody enjoyed the match very much. When it was over all the _p_ _ _ _ _ _ _ _ stood up and thanked the players.11. We arrived in London at six and not five. _p_ _ _ from that everything went as planned.12. His father's death did not _ _f_ _ _ his former decision. He decided to change nothing in his plans.13. How many times must I tell you that you should not open the door to a _ _ _ _n_ _ _? You must never open it to a person you do not know.14. Do not buy those trousers. they will _ _r_ _ _ in the first wash and they will be too small for you to wear them.15. If you tell them this story they are sure to _ _u_ _ at you.16. "Vox MAgazine" founded in 1963 no longer exists. It _ _ _s_ _ to appear in 1986.17. He _r_ _ _ _ _ _ _ from Cambridge in 1970.18. Water _ _ _l_ at the temperature of 100 C.19. One pound is _q_ _ _ to one hundred pence.20. I was so tired that I could _a_ _ _ _ breathe.21. We _e_ _ _ _ed the garden but we did not find anything suspicious there. It must have been a false alarm.Bardzo proszę o pomoc :) Daję naj
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Potrzebuję 30 pytań bez odpowiedzi odnośnie lektury "Świętoszek". Daję naj :)
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5. Susie is telephoning about a summer job. Usethe cues to complete the conversation.Marco: Parade Ices.Example: Susie: Hello I / ring / about / jobs /summer stuffHello, I’m ringing about the jobs for summer staff.1. Marco: You need / speak / my father2. But / I / be / afraid / he not be / here / moment3. you like / leave / message?4. no, thanks / I / call back / later5. when / be / good time / call?Part 5: Reading6.Read about working conditions in Britainduring the industrial revolution and match theheadings to the paragraphs. There is one extraheading you do not need.a - A servant’s life.b - A change for the betterc - Improved standard of livingd - New cities, new dangerse - Danger at workf - No childhood for the poor(1)Britain was the workshop of the world for over a centurybut the new working class carried the cost. The poorfrom the countryside went to new cities like Manchesterin search of a better life. In fact, conditions in the factoriesand new towns were often much worse. Entire familieslived in tiny houses or single rooms. Disease spreadthrough bad water and killed large numbers of people.(2)People of all ages had to work - there was no real differencebetweenadults and children. Children as youngas seven worked up to eighteenhours a day six daysa week. Children and pregnant women worked in themines pulling loads of coal. Nor was their any limit onthe hours that people had to work. Slaves probably ledbetter lives.(3)Mines and factories were extremely dangerous placesand there were often accidents caused by unsafemachinery. In textile factories childrenwere expected toclean under the machines while they were in operation.The materials they worked with were often extremelydangerous too – girls who worked in match factoriesdeveloped illnessesfrom working with phosphorus.(4)Despite the large numbers employed in factories andthe mines, domestic service was the biggest employerfor young women. Life was still incredibly hard forgirls who were as young as eleven or twelve. Theirdays usually began at six when they had to clean andmake up the fires throughout their master andmistress’s house.(5) .Even though not all employers exploited their workersit wasn’t until 1833 and 1844 that new regulationsconcerning the employment of children became law.Children under nine were no longer allowed to work atnight, and the working day of children under eighteenwas limited to 12 hours. The labour and trade unionmovements gradually improved conditions for all workers,including children.
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Part 2: Grammar 2 Complete the sentences by underlining the correct choice. Example:You haven’t / mustn’t borrow books without permission1 He has to / have to close the shop when everybody goes home.2 We had to / must get up early yesterday morning to catch the train.3 I really must / don’t need to find a summer job4 You haven’t to / don’t have to wear a uniform to work here.5 She will must / have to stop studying full-time if she wants to find work.3 Re-arrange the jumbled sentences Example:we - to - fill - opens - have - shelves - the - before - shop - the We have to fill the shelves before the shop opens.1 made - they - me - again - late - work.2 not - you - to - do - have - work - Sundays - on.3 his - did - boss - let - have - not - him - a - coffee - break.4 not - must - be - rude - you - the - customers - to.5 she - not - bus - did - to - need - the - take.Daję naj :)
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complite the conversation by putting the verbs into the simple past or presenst perfect. 1. yesterday I...........(come)back from Peru. I...........(be) there for three months. 2. Peru! Wow! So what...........(you do) while you were there?
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Complete the sentences by changingthe verb into the simple past or the present perfect.1. Dennis is the real Globetrotter, he.......(live) in Thailand. Argentina and Sri Lanka.2. She is very adventurous, she...........(eat) snails on her trip to france.3............(you be) here before? It's my first time.4. I.............(never/fly) acrosss the Atlantic, but I'd like to one day.5. We'll need to go back home, I..............(forget) the plane tickets.Bardzo proszę o pomoc :)
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Co znaczy powiedzenie "jak w szwajcarskim zegarku"?
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