Предмет: Физика, автор: ZQvbw12

С какой скоростью автомобиль должен проходить середину выпуклого моста радиусом 50 м, чтобы центростремительное ускорение было равно ускорению свободного падения?

Ответы

Автор ответа: nikolaygr

Відповідь:

R=50м

g=10м/с²

g=v²/R

v=√R*g=√50*10=22,4м/с

Пояснення:

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Английский язык, автор: NikaLevin

СРОЧНО НУЖНО! ПОМОГИТЕ ПОЖАЛУЙСТА! ДАМ 35 БАЛЛОВ!
Раскройте скобки, употребляя глаголы в нужном времени.

1. They already (to announce) the results of our tests? - Yes, they (to do) it some minutes ago. - What mark you (to get)?
2. What (to be) wrong? I see you (to be) in a bad mood? - I (to translate) this article since morning, but I (not to finish) it yet.
3. Where they (to be)? - Last week they (to leave) for Paris. If I (to receive) any news, I (to let) you know.
4. You (to know) him well? - I (to know) him since childhood. He always (to be) a very honest man.
5. What he (to dp) in the garden some minutes ago? - He (to find) a little bird. He (to think) it (to fall) out of the nest.
6. Yesterday on my way home I (to meet) my daughter. She (to tell) that (to wait) for me for two hours. She (to lose) her key.
7. He always (to dream) to become an actor. He (to dream), about it since childhood.
8 . I (to be) very tired, when I (to come) home yesterday. When I (to begin) to warm my dinner, my friend (to phone) me. We (to speak) only for' five minutes, but when I (to enter) the kitchen, I (to see) that I (to burn) it.
9. After they (to spend) their holidays together, she (to understand) that her friend (not to be) such nice person as she (to think).
10. You (to take) you children to the zoo next Sunday? - Yes, they never (to be) in the zoo before. I (to hope) they (to like) it.
11. One morning a letter (to arrive) to them. The letter said that their aunt (to arrive) the next day.
12. Who (to give) you my phone number? - I (to ask) Nick to give me your number as I (to want) to tell you something very important.
13. She thinks (to have) ice-cream for dessert. She (not to have) it for a long time.
14. Why you (not to write) this exercise yet? I (to hope) you (to finish) writing by seven o’clock. If you (not to write) it by that time, I (not to allow) you to watch television.
15. He (to talk) to the gardener, outside the door, when his cleaner (to arrive).
16. You (to like) Kyiv? — Yes. I (to love) this city. I (to be) here three times, you know. •
17. Yesterday, when I (to hear) how he (to sing) in the next room, I (to realize) that I never (to hear) anyone worse.
18. Paul (to telephone) me today? I (not to want) to speak to him.

2 года назад

Предмет: Русский язык, автор: tanechkabondar1

значение пословицы недоброе слово сильнее огня жжёт

2 года назад

Предмет: Окружающий мир, автор: danfat

почему там написана дич???

2 года назад

Предмет: Алгебра, автор: fail545

Увеличить 13 на 650%

8 лет назад

Предмет: Алгебра, автор: adelya606

Постройте график функций ( с решением ).

-4x²+3x+1

8 лет назад