Rating Newest Oldest. Best Answer: In physics terms, horsepower is used to measure the amount of work done. Work done is the mathematical expression of force x distance x time and is typically in ft/lbs/mins (Imperial) or Newton/Meters/mins (Metric). Horsepower was first coined by James Watt to measure the output of his new steam engines.
Okay the average age for a gymnast in the olympics is around 15-16 years old and most gymnasts retire at the age of 20, cause its an extremely tough sport to compete with younger gymnasts.
Ages 17 to 21. A runner who is 17 to 21 and in good health runs a mile in about 6:30 if he is in the top 1 percent of that age group, according to standards set by the U.S. Army Physical Fitness Guide. Runners should shoot for a time of approximately 8:18 if they want to be in the 50 percent bracket for the age group.