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Velocity is the speed in combination with the direction of motion of an object. Velocity is a fundamental concept in kinematics, the branch of classical mechanics that describes the motion of bodies. Velocity is a physical vector quantity: both magnitude and direction are needed to define it.
- Speed - Wikipedia
Speed is the magnitude of velocity (a vector), which...
- Speed - Simple English Wikipedia, the free encyclopedia
Finding speed. Speed is the distance an object moves in a...
- Velocity - Simple English Wikipedia, the free encyclopedia
Velocity is a measure of how fast something moves in a...
- Speed - Wikipedia
Speed is the magnitude of velocity (a vector), which indicates additionally the direction of motion. Speed has the dimensions of distance divided by time. The SI unit of speed is the metre per second (m/s), but the most common unit of speed in everyday usage is the kilometre per hour (km/h) or, in the US and the UK, miles per hour (mph).
Speed is the time rate at which an object is moving along a path, while velocity is the rate and direction of an object’s movement. Put another way, speed is a scalar value, while velocity is a vector.
Velocity is a measure of how fast something moves in a particular direction. To define it needs both magnitude and direction . If an object moves east at 9 metres per second (9 m/s), then its velocity is 9 m/s to the east.
What's the difference between Speed and Velocity? Speed is the rate of change of motion, i.e. distance moved by an object in a specified time irrespective of direction. Velocity is speed with respect to direction.
Finding speed. Speed is the distance an object moves in a given amount of time. The distance is never negative. If a train takes 1 hour to travel 100 kilometers, it has a speed of 100 kilometers per hour (62 mph). In fact this is the average speed.
Speed and velocity are related in much the same way that distance and displacement are related. Speed is a scalar and velocity is a vector. Speed gets the symbol v (italic) and velocity gets the symbol v (boldface).
