Определите энергию упруго деформированной пружины, жесткость которой равна 700 Н/м, а удлинение 3,5 см. - №31170743

Определите энергию упруго деформированной пружины, жесткость которой равна 700 Н/м, а удлинение 3,5 см.
- Предмет:
  Физика
- Автор:
  casimiro
- 6 лет назад

Ответы 1

Энергия W = kx^2/2 = 700*0,035^2/2 = 0,42875 Дж ≈ 0,43 Дж
- Автор:
  jayleencyn9
- 6 лет назад
- 0
Добавить свой ответ

Еще вопросы

8 класс. Решите пожалуйста
- Предмет:
  Алгебра
- Автор:
  rosyburch
- 6 лет назад
- Ответов:
  
  1
- Смотреть
If you_______________ (to go) shopping in any toy store, you can see clearly thedifferent games and toys for boys and girls: there are a lot of pink princesses and dollsfor girls; and dark-coloured cars, guns and soldiers for boys. In fact,__________________ (there/this/it) is difficult to buy a toy for a girl that is not pink.Some people think that a lot of pink is bad for girls. Also, Sam Palmer, author ofToxic Childhood, admits she is very worried about it as most girls over the age of one__________________ (to be) crazy about this colour. According__________________ (to/on/at) some psychologists, this happens for two reasons.Firstly, most companies offer too many products in pink. Thus, parents__________________ (not to allow) by producers to choose another colour. Secondly,parents can be blamed too, as many think that their little daughters look__________________ (cutely/cute/cutily) in a pink outfit. Some parents are concerned, too. Vanessa Grey, thirty-two, has two girls underfour. “Pink says that you are soft and gentle; whereas, blue says that you are strongand powerful. I want my daughters to grow strong and powerful,” she says. Hence, alot of parents wonder why __________________ (do companies promote/doescompanies promote/companies promote) colours just for boys or just for girls. However, not everyone __________________ (to think) there is somethingwrong with so __________________ (many/much/a lot of) pink. Grayson Turner is afather of three girls and he is not worried at all. “My girls used to love pink when theywere little, but as they get older, they change,” he says. And let’s__________________ (not to forget) that it’s only since the 1940s that people havestarted dressing girls in pink – before that it was a colour for boys
- Предмет:
  Английский язык
- Автор:
  lena1eov
- 6 лет назад
- Ответов:
  
  1
- Смотреть
Пример на раскрытие скобок и приведение подобных слагаемых
- Предмет:
  Математика
- Автор:
  julian47
- 6 лет назад
- Ответов:
  
  2
- Смотреть
Почему платовым были выбраны мастера из Тулы для достойного ответа английским мастерам? чем ещё была знаменита Тула? подготовьте сообщение об одном из русских городов и о его прославленных мастерах.
ПОЖАЛУЙСТА ПОМОГИТЕ!!!
- Предмет:
  Литература
- Автор:
  carmelohaas
- 6 лет назад
- Ответов:
  
  1
- Смотреть

How much to ban the user?

1 hour 1 day 100 years