Предмет: Физика, автор: наталья20001

тело упало с некоторой высоты с нулевой начальной скоростью и при ударе об землю тело имело скорость 40 м\ с. чему равно время падения? сопротивлением воздуха пренебречь

Ответы

Автор ответа: sokolovvovikn
2
V=g*t
t=V/g=40/10=4 c
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Задайте вопросы к выделенным словам. 19 баллов

1. Jack knows the answer to this question. .................................................................
2. My Mum makes delicious cakes. ............................................................................
3. We’d like to buy a new house. ...............................................................................
4. The key is in her bag. .............................................................................................
5. Nick’s cousin has got an interesting job. .................................................................
6. His friends are fond of sports. .................................................................................
7. All of you are responsible for it. ..............................................................................
8. I have a letter for you. ............................................................................................
9. I often see Tom at the bus stop. ..............................................................................
10. Luke always does his homework in time. ................................................................
11. Luke always does his homework in time. ...............................................................
12. My sister would like me to go on holiday with her. ...................................................
13. The black bag is more expensive. ..........................................................................
14. This work is very hard. ..........................................................................................

Выделенные слова:
1.Jack
2.My
3.А new house
4.The key
5. interesting job
6.His
7.All of you
8. a letter
9. Tom
10. Luke
11. his homework
12.My sister
13.The black
14.This work