Предмет: Физика, автор: angelinaglukhov

Санки сьезжают с горы.Что с ними?сила трения направлена вдоль склона вверх или сила реакции опоры направлена вертикально вверх,или сила реакции опоры направлена перпендикулярно силе тяжесть?

Ответы

Автор ответа: счастливыйАпельсин

0

сила трения направлена вдоль склона вверх

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Алгебра, автор: Аноним

Упростите выражение: a) 5x - 4(y + 2z) + 0,5(2x - 4(x + y) + 10z) - 3(x - 2y - 2); б) -(0,2(с - 3d) - 1,4d - 4) - 2(3 - 0,4(c + 2d) - 0,3(4c - d)) - 3(c + d). Решите уравнение: a) За + 0,5(2 - (6 у - 8)) - 5((2 - 7y) - 11) - 49 + 6(2 - За) - -4; б) 4а - 0,2(За + 4(2а - (6 - За))) + 28 - 3(4a (2а - 5)) - (За - 7 + 12a) 14.
срочно, помогите пожалуйста

6 лет назад

Предмет: Английский язык, автор: sobonqu

. “This patient will soon be operated the professor said. “We’ll do everything ... our power to help him.” 2. ... hearing the sad news, the girl burst ... crying, but she was soon surrounded ... her friends, who did their best to cheer her ... . 3. What are you holding ... your hand? Is it a birth day present ... Ann? 4. I was late ... classes yesterday be cause my tram was held .... 5. I’ve been trying to get hold ... him for several days, but he always seems to be .... 6. This old house is to be pulled ... next month, and a nursery school is going to be built ... its place. 7. It’s unfair of the boys to keep ...... Peter. He never meant to make fun ... anybody. 8. It was rather difficult to follow ... the speaker because he did not always keep ... the subject. 9. You often lose your books because you don’t keep them ... order. 10. After comparing the first dress ... the second one, the girl de cided to choose the first. 11. I think that a month’s stay ... the South will do you a lot ... good. 12. ... hearing those woras the boy leaned ... and burst ... laughing. 13. Nick hurt his leg and had to lean ... my arm. 14. “Don’t lean ... the table. How many times have I told you to keep your elbows (локти) ... the table," the mother said ... an angry voice. 15. The girl sat ... the window leaning ... a book. 16. If you don’t keep your word now, you’ll be ashamed ... yourself later on. 17. It’s very dangerous to run ... a busy street. 18. ... first I hesitated ... using these figures, but after checking them once again I decided to include them ... my report. 19. He looked so cross when I ran ... him ... the street the other day that he hardly answered my greeting.

6 лет назад

Предмет: Математика, автор: Аноним

7/11 - 5/11 помогите я делаю ВПР должно получится в знаменателе 11

6 лет назад

Предмет: Алгебра, автор: XNazzyX

Срочно очень Решить
X^3-x^2=0

10 лет назад

Предмет: Математика, автор: goggles555

Найдите значение выражения -12×(-8,6)-9,4

10 лет назад