Предмет: Физика, автор: radionovivan666985

яку роботу виконує механізм потужністю 1 квт за 30 секунд(и если можете ище 8задание

Приложения:

Ответы

Автор ответа: movax2

0

Ответ:

7. Дано:

N = 1 000 Вт

t = 30 c

A - ?

A = Nt = 1 000 Вт × 30 с = 30 000 Дж

8. Дано:

А = 50 000 Дж

l = 250 м

F - ?

F = A/l = 50 000 Дж / 250 м = 200 Н

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Геометрия, автор: gulizausononova

Можете найти решение

11 месяцев назад

Предмет: Физика, автор: miraziz274

период вращения лопастей вентилятора равен 2 секунды. определите частоту, линейную, угловую скорости и центростремительное ускорение, если радиус равен 50 см.

11 месяцев назад

Предмет: Алгебра, автор: aaazatbekovna

F(x)=x^3. f(x)=-3x^4

11 месяцев назад

Предмет: Английский язык, автор: rocemij277

11. ‘Can you drive?’ ‘No, __________ a car but I want to learn.’
a. I never drove b. I was never driving c. I’ve never driven d I’ve never be driving

12. My friend __________ for me when I arrived.
a. a. waited b. has waited c. was waiting d. has been waiting

13. Let’s take a break soon, __________?
a. a. is it b. do we c. shall we d. will we

14. I hear you’re having your house repainted. How __________?
a. is it looking b. does it look c. it looks d. will it look?

15. David has been practicing the song for days. It__________ quite good, but he doesn’t think he’s ready to perform it in public.
a. is sounding b. sounds c. has sounded d. has been sounding

16. ‘I can’t come over during the day.’ ‘I__________ you tomorrow, then.’
a. I’m seeing b. I’ll see c. I’m going to see d. I’ll have seen

17. Diana__________ her hair cut short when she left college.
a. had b. had had c. has had d. was having

18. Brad would have saved a lot of money if he__________ to my advice
a. would listen b. was listening c. had listened d. would have listened

19. ‘Did you get the theater tickets?’ ‘No, I forgot all about them. I__________ them tomorrow.’
a. will book b. am going to book c. will have booked d. am booking

20. If you listen carefully, you__________ an owl in the trees over there.
a. would hear b. will hear c. hear d. will have heard

6 лет назад

Предмет: Английский язык, автор: tankistsfvv

Ответьте на вопросы письменно.
1) Where can you buy an airline ticket?
2) What does the flight-information board tell you?
3) When do passengers get “bumped"?
4) What happens at the check-in desk?
5) When are security checks made, and what is searched?
6) Why do many passengers buy things at a duty-free shop?
7) Where can you put your hand baggage on the aircraft?
8) Where are you allowed to smoke on an aircraft?
9) What percentage of the population is afraid of flying

6 лет назад