In American football, a field goal is scored by kicking the ball through the uprights past the touchback area on each side of the 50-yard line (the two lines that mark each end zone). Field goals are ...

Representing the direction of a line with bearings is a long-standing tradition that continues today on plats, legal descriptions, site plans, and other documents. Calculating the direction of a line ...

The total length of the bar represents both the total distance and the total time taken. The bar is divided into parts. Each part represents the speed as a distance per unit of time. The number of ...

Units of speed are always a unit of length per unit of time. Different units of length and time may be chosen depending on the situation. This makes it easier to read the measurements. For example, ...