🎓 Ile musi wynosić współczynnik tarcia między kołami a nawierzchnią aby samochód nie wpadł w poślizg boczny. Szybkość samochodu wchodzącego w zakręt V = 200 km/h, promień zakrętu wynosi r = 520 m. - Odrabiamy.pl

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 -  liceum

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 -  liceum

Ile musi wynosić współczynnik tarcia między kołami a nawierzchnią aby samochód nie wpadł w poślizg boczny. Szybkość samochodu wchodzącego w zakręt V

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Aby samochód nie wpadł w poślizg boczny, siła tarcia musi być co najmniej równa sile dośrodkowej:

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Wideolekcja
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25 marca 2019
Język angielski

Complete with “a”, “an” , “the” or “-“ if no article is needed.

1. Paris is ……….capital of France. I’d like to visit it one day.
2. Bruce is the only boy at school who can speak …….. Chinese.
3. My grandmother has been playing ……….tennis since she was 12.
4. Alice loves walking in ………rain. She likes rainy days rather than sunny ones.
5. Ted is listening to ……..news on ……..radio. He looks worried.
6. Peter is blind and has got …….guide dog that goes with him everywhere. ……..dog
is a collie. He couldn’t live without it.
7. When we were in Madrid we stayed at …….Ritz, which is ….very expensive hotel.
8. Stella drove ……….children to ………town centre last Monday.
9. It’s very hot today and Ben has turned on ……..fan to get some fresh air.
10. Granny always makes ……dinner on Thanksgiving Day. She is …..excellent cook.
11. Anna’s cat is sitting on ……..window ledge looking at ……..moon.
12. Yesterday John and Larry went to ……zoo.
13. Kent goes to …....bed late when he has …..…exam.
14. David always has ………breakfast in ……kitchen.
15. .......... little boy fell off............... bicycle.
16. .......... children like.............. sweets.
17. . I have lost................ book I took out of.............. library.
18. . ............ cats love.............. fish.
19. Smoking................ cigarettes is unhealthy.
20. Mr and Mrs Jones go to.................. church on............ Sunday.
21. They go to.................... church round..............corner.
22. .................. students read.................... books.
23. .................. student was reading.................book you gave him.
24. . ................. world is coming to an end on..........Friday.
25. He goes to............... work while Mrs Jones stays at................... home.
26. ................. children go to..................... school.
27. Mr Jones goes to................. office while Mrs Jones stays at................. home.
28. They live in................... house on..................corner of................... street.
29. ................ children go to................. school over there.
30. . .............. dogs are not allowed in................ park.
31. ................... Amazon flows from....................Andes to .................... Atlantic.
32. .................... Queen will speak on....................Christmas Day.
33. Mary wants to learn................. French before she goes to.................. Continent.
34. In Paris, we stayed at................ George Vhotel, ate at............... Maxim’s, and
visited...............Louvre
35. .............. Smiths were supposed to come to............... lunch we gave at............ Ritz,
but ................. Mrs Smith phoned to say they had to take................ young one
to....................hospital

43 minuty temu
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Ze wzoru v = s/t wyznacz s.

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