мальчик массы 40кг поднялся на 6этаж высота каждого 2,5м. чему равна работа? - №30893721

мальчик массы 40кг поднялся на 6этаж высота каждого 2,5м. чему равна работа?
- Предмет:
  Физика
- Автор:
  hunterf47f
- 5 лет назад

Ответы 2

A=FSF=mg=40×10=400НA=400×2,5=1000Дж
- Автор:
  browniehicks
- 5 лет назад
- 0
1 A=FS
2 F=mg=40×10=400Н
3 A=400×2,5=1000Дж
- Автор:
  rumplestiltskin
- 5 лет назад
- 0
Добавить свой ответ

Еще вопросы

связный рассказ на тему зима прекрасное время года
- Предмет:
  Литература
- Автор:
  emma24
- 5 лет назад
- Ответов:
  
  1
- Смотреть
Попробуй сочинить сказку по данному началу. Запиши продолжение сказки. Помни, что все части текста должны быть написаны с красной строки. Однажды коты Барсик и Мурзик забрались в колбасный цех...
- Предмет:
  Русский язык
- Автор:
  sebastianrichardson
- 5 лет назад
- Ответов:
  
  1
- Смотреть
1) Put in pronouns in the correct form.

1. Rita is …………..pen-friend. (I)
2. Felipe drives ………… car. (she)
3. ………. sister lives in Italy. (they)
4. ….. …… dog plays in …………… street. (we, they)
5. ………… teacher is very young. (we)
6. …………..cat is cute. …………name is Kisa. (he, it)
7. ………son and ………..daughter play in ……………..garden (we, you, they).
8. …………… names are Margarita and Gianluca. (they)
9. ……………….sister speaks some German. (I)
10. ……………..parents travel to ……………… country. (he, I)
11. …………. ..university is called Universitat de Barcelona. (her)
12. …………..studies are very interesting. (we)
13. Tom has …………….. phone. (I)
14. ……………….dress is very nice. (you)
15. It is a table. ……..legs are broken. (it)
16. This is ……………….grandmother (we). ………………name is Janina. (she)
17. I have two siblings. ………………..their names are Ruta and Jonas. (they)
18. Lucas sleeps on …………………. bed. (we)
19. ………………... is in ……………street. (you, we).
20. The capital of ………….. country is Vilnius. (I)
21. ……………… shoes are in …………… room. (she, he)
22. ………………..husband goes shopping often. (she)
23. ………………bus goes to Prague and ………………bus goes to Budapest. (we, you)
24. Prague is the capital of Czech Republic. ……….old city center is large and beautiful. (it)
25. …………… daughter speaks three languages, and …………………son speaks two. (we, they)
26. Cristina has ………….. book, and Pedro has ……………..notes. (she, she)
27. ………………daughter-in-law comes from Sweden and our son-in-law comes from Argentina. (we, we)
28. Konrad is married to ………….. cousin and Anja is married to ………..nephew. (I, I)
29. ………………..work is very hard. (he)
30. …………………doctor is very professional. (she)
31. This book is fantastic, but …………..cover is not nice. (it)
32. Tamuna and Anna are ………….cousins, and Maia and Giorgi are …………...cousins. (I, they)
33. ……………keys are in ………….pocket. …………..keys are in ………room. (I, I, you, we).
34. ………half-brother comes from Austria. ……………..village is high in the Alps. (I, he)
35. ……………..roses are red, and …………….roses are white. (they, she)
36. This is a robot. …………….name is R2-D2. (it)
37. ...................mother is unemployed and …………..sister is a student. (I, I)
38. ……………nephew works in ………….company. (he, we)
39. This is ……………magazine, and this is …………….newspaper. (I, you)
40. She writes ……………..dissertation. (she)

2) Complete with comparaive and superlative 1

1. You look much.........................(good) than yesterday
2. The ..............................(bad) thing you can do near a fierce dog is to be afraid.
3. She's the ....................(careful) girl in the class. She has never broken anything.
4. Indian cooking has some of the ...................................(hot) dishes in the world.
5. Who is...................................................... (beautiful) , Madonna or Sophia Loren ?
6. He is the..............................(extravagant) teacher I know. He wears his hat even in class.
7. Living in Paris is ................................................(expensive) than living in Valencia.
8. Anne is the................(clever) person I know. She learns everything immediately.
9. The teacher thinks we have to be ...........................(tidy) than last year. We can't go on like this.
10. I feel ..................................(bad) than yesterday. I need a rest.
- Предмет:
  Английский язык
- Автор:
  oakley2i96
- 5 лет назад
- Ответов:
  
  1
- Смотреть
Помогите составить смешной текст из 5 предложений с синонимами (похожие по значению слова) ПОЖАЛУЙСТА
10 баллов дам
- Предмет:
  Русский язык
- Автор:
  annabelle
- 5 лет назад
- Ответов:
  
  1
- Смотреть

How much to ban the user?

1 hour 1 day 100 years