Предмет: Физика, автор: 271217kcttt

За якого співвідношення сил, що діють на бульбашку повітря, яка підіймається з дна водойми, рух бульбашки стає рівномірним?

Ответы

Автор ответа: soloshkamala
4

Ответ:

Школьные Знания.com

Какой у тебя вопрос?

1

5 - 9 классы Физика 5 баллов

Як змінюється сила Архімеда,що діє на бульбашку повітря,яка спливає з дна водойми?

Попроси больше объяснений Следить Отметить нарушение Yanaflover3011 01.04.2019

Ответ

Проверено экспертом

Ответ дан

Regent1828

Regent1828

Воздух, в отличие от воды, достаточно хорошо сжимается.

По мере всплытия пузырька воздуха давление воды, действующее на него, уменьшается.

Объем пузырька при падении внешнего давления увеличивается, и сила Архимеда, соответственно, также увеличивается.

Автор ответа: GarisPlay2003
13

Ответ:

Воздух, в отличие от воды, достаточно хорошо сжимается.

По мере всплытия пузырька воздуха давление воды, действующее на него, уменьшается.

Объем пузырька при падении внешнего давления увеличивается, и сила Архимеда, соответственно, также увеличивается.

Объяснение:

Похожие вопросы
Предмет: Английский язык, автор: morozova555

8. А) заполните пробелы вспомогательными глаголами в нужной форме Б) поставьте глаголы, данные в скобках, в Present Perfect или Simple Past Have you seen that play? А) Yes, I … (Yes, I have) Б) Yes, I (be) there last night (Yes, I was there last night) 1. Have you wound the clock? A) Yes, I… b)Yes, I(wind) it on Monday. 2. Have you ever eaten snails? A) No, I… b) yes, I (eat) some at Tom’s party last week. 3. Has she fed the dog? A) yes, I think she… b) yes, she (feed) him before lunch. 4. Have they repaired the road? A) No, they… b) they only (repair) part of it so far. 5. Have they done their homework? A) yes, they (do) it all. b) Yes, they (do) it before they left school. 6. Have you found the matches? A) No, I… b) No, I (not find) them yet. 7. Have you made the coffee? A) Yes, I… b) I (make) some yesterday: we can use that. 8. Have you been here before? A) No, I … b) Yes, I (be) here several times. 9. Have you seen him lately? А) No, I… b) No, I (not see) him since Christmas. 10. Have you been to the opera this week? A) Yes, I… b) Yes, I (go) to Faust on Friday. 11. Have you ever driven this car? A)Yes, I (drive) it once or twice b) Yes, I (drive) it when you were away. 12. Has he missed his train? A) No, he … b) Yes, he … . It (go) five minutes ago. 13. Have they been through Customs? A) Yes, they… b) Yes, their laggage (be) examined at Dover. 14. Has he spoken to her? A) Yes, he… b) Yes, he (speak) to her Friday. 15. Have you spent all your money? A) No, I only (spend) half of it. b) Yes, I… 16. How much have you saved since Christmas? A) I (not save) anything b) I (save) 3 pounds. 17. Has his temperature gone down? A) No, it… b) Yes, it (go) down last night. 18. Have you seen his garden? A) No, I (not see) it yet b) I (see) the house on Monday but I (not see) the garden. 19. Have you paid the bill? A) Yes, I… b) Yes, I (pay) it while you were away. 20. Have you ever flown a plane? A) No, I… b) Yes, I (fly) when I was at university. 21. Has your dog ever bitten anyone? A) Yes, he (bite) a policeman last week b) Yes, he (bite) me twice. 22. Have you planted your peas? A) Yes, I (plant) them on Tuesday b) No, I … yet. 23. Has he written to the paper? A) Yes, he … b) Yes, he (write) at once. 24. Have you ever drunk vodka? A) No, I… b) I (drink) it in Russia but I (not drink) it since.

Предмет: Английский язык, автор: КсюОксю

Раскройте скобки, употребляя глаголы в форме Past Continuous Tense.

This morning was really beautiful. The sun (shine), the birds (sing) and everyone in the street (smile) and (say) hello to each other.

Mrs Patrik looked beautiful last night. She (wear) a lovely evening dress.

When we arrived, she (make) some coffee.

While I (have) a bath the telephone rang.

While we (walk) in the park it began to rain.

He wind (blow) and the rain (beat) down. John (stand) at the bus stop shivering. He (try) to imagine being at home sitting by a warm fire. Finally he saw the lights of the bus which (approach) from the distance.

At 3 o'clock yesterday a geometry lesson (go) on. The teacher (draw) diagrams on the blackboard but I (look) through the window and heard nothing. I (think) about the coming New Year's party.

She promised not to report me to the police but ten minutes later I saw that she (talk) with a policeman and from the expression on his face I understood that she (tell) him about me.

The dentist's waiting room was full of people. Some (read) magazines, others just (turn) over the pages. A woman (knit), a child (play) with a toy car. Everybody (wait) for the nurse to say "Next, please".

I lit the fire at 6.00 and it (burn) brightly when Jane came in.

- The house next to yours was full of policemen and police dogs yesterday. - What they (do)? - I heard that they (look) for drugs.

"What you (do) between 9.00 and 10.00 yesterday?" asked the detective. "I (clean) my house", said Mrs Jones. "I always clean my house at this time"

Предмет: Математика, автор: malich1412