英语翻译

英语翻译
1.What are the primary advantages of the metric system of units over the older English system of units?Explain.
2.Is an object that has a temperature of 0 oC hotter than,colder than,or at the same temperature as one that has a temperature of 0 oF?Explain.
3.Is it possible for the internal energy of a system to be greater than the kinetic energy of the molecules and atoms making up the system?Explain.
4.A starter’s pistol is fired at the beginning of a race.If you are at the other end of the track,which will you perceive first,the sound of the pistol or the flash associated with its firing?Explain.
5.Is it possible for sound waves to travel through a vacuum?Explain