Define Areal Velocity.
Areal velocity refers to the speed at which an object or substance is moving through a given area or surface. It is a measure of how quickly something is covering an area. It can be thought of as the rate at which an object is spreading out or covering space. Areal velocity is usually expressed in units of area per unit of time, such as square meters per second or square feet per hour.
The unit of areal velocity is typically expressed as area divided by time. Therefore, the units can vary depending on the specific context and the units used for area and time. For example, if the area is measured in square meters and time is measured in seconds, the unit of areal velocity would be square meters per second (m²/s). Similarly, if the area is measured in square feet and time is measured in hours, the unit would be square feet per hour (ft²/hr).
A short search description for areal velocity could be: "Areal velocity is the speed at which an object or substance covers a given area, expressed in units of area per unit of time, such as square meters per second or square feet per hour."
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