speed
a measure of the distance an object travels per unit of time
Speed is a measure of how fast an object is traveling. It is defined as the distance an object travels in a specific amount of time. Typically, speed is measured in meters per second (m/s) or kilometers per hour (km/h). In equation form, it can be expressed as speed = distance / time.
It is important to note that speed is a scalar quantity, meaning it has only magnitude and no direction. This is in contrast to velocity, which is a vector quantity that includes both magnitude and direction.
There are different types of speeds depending on the situation. For example, instantaneous speed is the speed of an object at a specific moment in time. Average speed is the total distance an object travels divided by the total time it takes to travel that distance.
Speed can also be affected by various factors, such as the presence of friction, air resistance, or gravitational pull. Additionally, the speed of light is considered to be the fastest speed possible, and it is measured at 299,792,458 m/s in a vacuum.
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