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Distingusih between speed and velocity and give an example of each
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Speed is a scalar quantity that measures the rate at which an object is moving. It does not have a direction associated with it. Velocity, on the other hand, is a vector quantity that measures the rate at which an object is moving in a specific direction.
Example of speed: A car traveling at a speed of 60 miles per hour. In this case, the car is moving at a certain rate, which is its speed.
Example of velocity: A train moving eastwards at a velocity of 40 kilometers per hour. In this case, the train is not only moving at a certain rate (velocity), but it is also moving in a specific direction (eastwards).