найти массу 0.5 моль карбоната кальция

Восстановите прямую речь в следующих предложениях. Переведите предложения. 1. My colleagues said that they were having lunch at the nearest café. 2. He asked me not to buy a ticket to London on my way home. 3. She said she would head a purchasing department with great pleasure. 4. Michael told me that he hadn’t been able to ring me up in time. 5. The manager asked me if I knew the telephone number of our new employee. 6. At the personnel department they asked me where I lived. 7. She asked me to hurry up as there was little time left before the beginning of the meeting. 8. The chief executive asked us what we had seen at the exhibition.

почему проблема воспитания актуальна и сегодня?

Задача.В магнитное поле с индукцией 0,2 мТл перпендикулярно до линий магнитной индукции влетает частица со скоростью 10 в 7 степени м/c .Найти радиус круга,по которому движется частица,если это - протон.Найдите частоту вращения.