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.
Prerequisites vary by the organization, but candidates for fitness trainer certification usually must be at least 18 years old and possess both CPR and AED certifications to qualify. Some organizations require candidates to hold a high school diploma or the equivalent, but many have no educational prerequisites.