Предмет: Физика, автор: vladnikkalinov

Под действием силы давления вагона 50кН буферные пружины между вагонами сжимаются на 1 см, с какой силой давит вагон, если пружины сжались на 4 см?

Ответы

Автор ответа: darklord6949

Ответ:

давление с силой 200 кН

Автор ответа: ataket200527

Вроде так..

Пропорция:

50Кн=1 см

?Кн =4 см

Решение:

50*4=200Кн

Ответ: 200кН

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Другие предметы, автор: nektolol76

Сенкан про вишиванку будь ласка.

5 лет назад

Предмет: Английский язык, автор: zodarufgorix

срочно 40 балов если не откроется
Name : Class : VOCABULARY 1 Complete the missing words . 0 My dad loves music . especially jazz and pop 1 I can play quite a few songs on my g 2 films . Mel never goes to the c she hates I always wear my when I go running they're so comfortable on my feet . 4 This belt is made of l 5 It's cold so put your s neck warm . won to keep your 6 I'm going to a party in a f d 7 I love s LA like Star Wars they're great DUNAREZZ 2 Complete the sentences using the words in the box . There are four extra words / expressions . cheerful current tidy affairs game show horoscopes helpful middle - age concert d moody big - headed acting Mazy 0 Felicity is always smiling - she's so cheerful 1 Grant thinks he's the best at everything - he's so 2 Heather always puts everything back in the right place - she's a very person 3 My teacher is about 50 - she's a person , 4 My brother doesn't get up until lunchtime at the weekend - he's really 5 I don't believe what I read in they're never true ! 6 I like watching , programmes so know what's happening in the world . 7 Jonathan often seems angry or sad - he's a very boy ! 7 3 Complete the sentences by choosing the correct options . 0 I think horror films are really frightened / frightening . 1 She loves dancing and is really good at techno / flamenco . 2 Sometimes Clara thinks her little brother is really annoyed / annoying 3 I really want to be a photography / photographer when I'm older . 4 Richard hates science so he usually feels very bored / boring in the lessons . 2017 Pearson PHOTOCOPIABLE 3 love watching reality shows / game shows where things we watch ordinary people doing their jobs and 6 Martin always works hard at school so he gets really tired / tiring by the end of the week . A GRAM 4 Complete the dialogues by making questions using the words in brackets . Add short answers where you need to . 0 Do you ( you / like ) classical music ? WWW caps to school ? Y : No , 2 Who 3x : ( they / wear ) baseball ( you / watch ) TV with ? ( Barry / play ) the piano ? No , ( Eloise / enjoy ) drawing ? Y : Yes , 5 Make full sentences using the words below . Continuous . Use the Present Simple or Present 0 what / programme / you / watch What programme are you watching ? he / sometimes / watch / talk shows 2 Helen / get ready for / school / now 3 what / you / usually / have / breakfast ? 4 which / music / Elena / listen to / now ? 5 when / your friends / usually / post / Facebook ? 6 1 / not / often / like / read / novels 7 what / Harry / do / his computer / now ? a 6 Put the verb brackets into the correct form ( Present Simple or Present Continuous ) to complete the dialogue . Use contractions . Sally : Dad , I need to go now ! You know I ve got ( have ) my dance class today Dad : Oh yes ! But I ( cook ) the dinner .

5 лет назад

Предмет: Алгебра, автор: miha310708novik

{5(x-2)-x>2
{1-3(x-1)<-1

5 лет назад

Предмет: История, автор: 47vals

повлиял ли церковный раскол на современную церковь

8 лет назад

Предмет: Математика, автор: Svetlacok1

два автобуса двигаются с одной скоростью. первый автобус был в пути 7ч,а второй 3ч. С какой скоростью двигались автобусы,если первый из них проехал на 240 км больше,чем второй? Без иксов пожалуйста!!

8 лет назад