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Understanding Speed: What Does It Really Mean? When you hear the word 'speed,' you might think of fast cars, athletes sprinting on a track, or even your Internet connection. But technically, what is speed? In the world of physics, speed is defined as the distance travelled per unit of time. It is a way of measuring how quickly something is moving. Speed is a scalar quantity, which means it only has magnitude (a numerical value) and no direction. The Genesis of the Concept of Speed The concept of speed dates back to ancient civilisations, where it was crucial for survival...