Flow rate refers to the amount (volume or mass) of fluid (liquid or gas) passing through a specific surface per unit time. When the amount of fluid is expressed by volume, it is called volume flow; when the amount of fluid is expressed by mass, it is called mass flow.
According to the above definition, which of the following options contain descriptions of volume flow?
The Victoria Falls is located in the border area of Zambia and Zimbabwe in Africa. When the Zambezi River is full, 7,500 cubic meters of water per second will rush over