-
Вопрос по физике:
во сколько раз фокусное расстояние собирающей линзы с оптической силой 1,5 дптр больше фокусного расстояния линзы с оптической силой 6 дптр?-
Автор:
jadielyu
-
-
F1/F2=D2/D1=6/1,5=4,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
Еще 4 ненужных тебе вопроса, но это важно для поиска
-
Вопрос по биологии:
Казка про водорості-
Ответов: 1
-
6 лет назад
-
-
Вопрос по английскому языку:
1. My father took the car so I had to go by __ bike
2. The house was on __ fire and there were two people stuck inside.
3. The article we talked about is on __ third page.
4. Something woke me up in __
night and I decided to check it out.
5. He dropped another glass. I'm sure he did it on __ purpose.
6. Have __ merry Christmas!
7. I have to be back before __ dark. My parents would be mad!
8. "Why is Monica mad at you?" - "We had __ argument."
9. "Turn down the music or I'll call __ police!
10. I'm not very good at __ physics.
11. What time do you have __
breakfast?
12. Where are you going on __
holiday this year?
13. I learned to play __ piano when I was 10.
14. It's so hot. Let's go for __
swim.
15. Because he had __
flu, he had to stay home.
16. I saw a wonderful film on __
TV last night
17. "Would you like some cake?" - "No, actually, I'm on __ diet."
18. We have to hand in the essays by __
midday.
19. Mike and Angela were walking together, holding __
hands.
20. I love just sitting in __
sun and reading
21. What's the rush? I get paid by __ hour.
22. "Have __ nice weekend and I'll see you on Monday."
23. Oh, you stink! You should take __
shower..
24. Oscar has been seeing this girl for 4 months now but they haven't had __ sex yet.
25. He has been in __
prison now for 4 years.
diet."
26. The answers are on __
page 22
27 It must be true I heard it on __
radio this morning
28. The song has been number 1 on the charts for three weeks in __
row
29. We had __ delicious dinner at the new Thai restaurant.
30. Cats are excellent hunters. They can see in __ dark and are able to hear sounds
inaudible to humans.
31. Most people prefer to pay by __ credit card
32. I earn up to $50 __ hour
-
Ответов: 1
-
6 лет назад
-
-
Вопрос по русскому языку:
Написать идею текста
Я любовался грозой, сидя в темной библиотеке, поминутно оглушаемый громом и ослепляемый каким-то жестяным зеленовато-белым пламенем, до неправдоподобия светло озарявшим комнату.
К десяти стало понемногу стихать, гром стал отходить, раскатываться все дальше, небо над садом расчистилось, в комнате посветлело от месяца, показавшегося из-за его мокрых мотающихся ветвей.-
Ответов: 2
-
6 лет назад
-
-
Вопрос по литературе:
Порівняння образів героїв новели Останній листок-
Ответов: 1
-
6 лет назад
-