На проводник сопротивлением R=40 Ом подается напряжение U=80 В.Чему равна сила тока I в проводнике?

III.Переведите на русский язык, обращая внимание на герундий.

1. He finished speaking and sat down.

2. Stop arguing and start working.

3. The children prefer watching TV to readitrg.

4. Walking is very useful.

5. I had no hope of meeting her here.

6. On seeing her parents the girl laughed.

7 . He is thinking of leaving his job and going to America.

8. Did you hear of John's having been sent abroad?

9. She is looking forward to reading his new book.

10. I don't enjoy going to the doctor.

С какой скоростью двигался катер , если 91 км он проплыл за 7 ч?