Предмет: Физика, автор: nastyaosminojka

Трактор весом 2кН имеет площадь опоры 0,5мТрактор весом 2кН имеет площадь опоры 0,5м^2. Вычислите давление трактора на землю

Ответы

Автор ответа: kingtulipp
1

Дано:                 СИ                                          Решение

P = 2кН            | 2000Н |    p = F/s

s = 0,5м²                              F = P

-------------                              p = P/s

p - ?                                      p = 2000Н/0,5м² = 4000Па = 4кПа

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3. to get on well
4. to get to know each other
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c) to communicate with someone
d) to have a friendly relationship with someone
e) to have many similar interests and opinions
f) to like each other
g) to see and talk to someone
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1. to catch up
2. to get back in touch/contact
3. to get on well
4. to get to know each other
5. to have a lot in common
6. to hit it off
7. to keep/stay in touch/contact
8. to lose touch/contact
9. to meet
10. to meet up
11. to fall out (with someone)

a) to become familiar with someone’s personality
b) to tell each other your latest news
c) to communicate with someone
d) to have a friendly relationship with someone
e) to have many similar interests and opinions
f) to like each other
g) to see and talk to someone
h) to stop talking to someone because you are angry with him or
her
i) to spend time with someone by appointment
j) to start communicating with someone after a
period of no communication
k) to stop communicating with someone