Два точечных заряда действуют друг на друга с силой 12 мкН. Какой будет сила взаимодействия между ними, если уменьшить величину каждого заряда в 2 раза, не меняя расстояния между ними? 1) 1 мкН 2) 3 мкН 3)6 мкН 4)24 мкН

№ 2  Определить время глагола:

1)        I went swimming pool after breakfast
yesterday.

2)        My friend didn't go to the museum last
Wednesday.

3)        His uncle usually gets up six o’clock.

4)        Does he usually sleep on the sofa?

5)        It then seen shining brightly now?

6)        Granny is looking for her eyeglasses
now.

7)        The children will listen to their granny’s
stories tomorrow evening.

8)        We shan’t be in England next month.

9)        Julia has just arrived in New York.

10)      Her friends have learnt fence this year.