САМОЛЕТ описываем петлю Нестерова радиусом 200м в верикальний плоскости. Скорость самолета 100м.с. Чему равна сила реакции сиденья действует на летчика в верхней точке петли, если масса летчика 80 кг? ускорение свободного падения 10м.с в квадрате

Длинна прямоугольника равна 5,6 см.Ширина состовляет 7/8 длины.Найти периметр прямоугольника.

Автомобиль массой 14 тонн трогаясь с места, проходит первые 50 метров за 10 сек. Найти силу тяги, если коэффициент сопротивления равен 0,05.

1.two hours per week (be))__not enough to learn the English language.

2.They do some market forces/research/share to find out more about consumer advice/goods/spending on luxury goods.

3.One day back in 1895, King Camp Gillette (shave)_____ his mirror when he suddenly (think)_____ compared to what (need)______

4.Don't let anyone/nobody in. Iam too busy to see anybody/everybody.

5.- My husband is not interested in the subject.
- Either/Neither do/am I.

6. I wish I (can make) ______jokes like he/him.

7. I’ve bought ________(hardly any/none) new clothes this year.

8. They were ________(totally/very) overjoyed to see each other again.

9. We can't be sure about____ history of____ human race, but___ man developed earlier that we think.
10. We weren't__________ (enough/ early/ get)good seats for the concert.
11. Don't laugh! I feel ___( exhausting / exhausted) already.

12.1 would like to congratulate you____passing your exams

13. People_____ be more responsible. Everyone ____obey the law.( ought to/ must/ may / had better)