a light year is the distance light will travel in a year which is a long long way light travels 186000 miles a second 300000 kilometers per second so a light second is 186000 miles 300000 kilometers
Best Answer: The ATP-PC system is use for around 10 seconds of an event, the ATP is use for 4-6 seconds before the creatine phosphate (CP) provides energy for a further 5 - 10 seconds. Weight lifting is the best example of a sport using the ATP-PC system.
Auto Racing is a Sport. Most sports can be taught year round and in gym classes for kids but it doesn't make it a sport. Yes, most sports use balls (soccer, football, basketball, etc.) but that doesn't classify it as a sport.