Предмет: Физика, автор: Цветочек151

Пожалуйста!!!
Задание: Вывести 2-ой закон Ньютона через импульс.

Ответы

Автор ответа: Sladkayapodliva

0

Ft = mv - mv0
F=m(v-v0)/t
В свою очередь, v-v0/t - это ускорение (а), формула принимает вид
F = m*a,
a=F/m, что и есть второй закон Ньютона (ускорение прямо пропорционально равнодействующей сил и обратно пропорционально массе тела).

Предыдущий вопрос

Следующий вопрос

Интересные вопросы

Предмет: Английский язык, автор: dosbolganov1203

10. Mike saw five … in the kitchen.

A) mice

B) mouse

C) mousse

D) mouses

11. We never … in winter.

A) travel

B) travels

C) traveling

D) going

12. Mark … football yesterday

A) played

B) play

C) was playing

D) plays

13. Ben … to London next week.

A) will come

B) comes

C) was coming

D) came

14. I … to music yesterday.

A) listened

B) listen

C) will listen

D) listens

15. Choose the correct sentence. Peter, did, his, visit, when, friend?

A) When did Peter visit his friend?

B) When Peter did visit his friend?

C) When did Peter his friend visit?

D) When his friend visit Peter did?

16. There … many flowers in the garden.

A) are

B) is

C) am

D) ‘s

17. We … Christmas at home.

A) celebrated

B) prepared

C) made

D) do

18. … Mary go away?

A) does

B) do

C) have

D) has

19. At this moment Polly … TV.

A) is watching

B) watched

C) are watching

D) watches

20. That evening was really …

A) wonderful

B) wonder

C) wondering

D) wonders

21. I am worried ….. the exam.

A) About

B) At

C) On

D) without

22. She is good ….. singing.

A) At

B) About

C) On

D) without

23. . ….. you like red roses?

A) Do

B) Does

C) Did

D) Doing

24. That house is very old. Yes, __________________ in the village.

A) Yes, it’s the oldest house in the village.

B) Yes, it’s the most expensive hotel in London.

C) Yes, it’s the prettiest village in England.

D) Yes, it’s the highest mountain in the world.

25. Hamble don is a very pretty village. Yes, _________________ in England.

A) Yes, it’s the prettiest village in England.

B) Yes, it’s the oldest house in the village

C) Yes, it’s the highest mountain in the world

D) Yes, it’s the most expensive hotel in London

26.The mosquito is one of the most____________ animals in the world.

A) dangerous

B) long

C) Difficult

D) poisonous

27. I think this is the ____________ water I’ve ever swum in.

A) coldest

B) longest

C) Difficult

D) Hottest

28. My mum doesn’t like ______ to work.

A) drive

B) driving

C) to driving

D)to have been driving

29. The number after ninety-nine is ______.

A) one hundred

B) one thousand

C) one million

D) billion

30. I can speak ______.

A) French

B) England

C) Germany

D) China
срочнооооооооооооо надо ответьы дая 100 баллов

6 лет назад

Предмет: Алгебра, автор: zinulichka

построить график функции y=x^3-2x/x-2

6 лет назад

Предмет: Алгебра, автор: ogorodnickor

какие (какую) из дробей можно сократить?дроби на фото

6 лет назад

Предмет: Химия, автор: vladiiiik12

Формула бетона и формула железобетона ?

10 лет назад

Предмет: Физика, автор: 5247544

Яка речовина отримує іншу назву ,перейшовши із рідкого в твердий стан?"

10 лет назад