Speed is the rate of change per unit of time. Often the speed of a movement is referred to: the distance travelled per unit of time. Place and velocity are basic concepts in kinematics. They are both vector quantities, with a size and a direction.
Hello I am 56 years old and live in Delft.
Photography is for me a representation of a feeling.In 2002 I photographed with a nikon FM.Now there is more "time" the "eye" is back in the active mode. Have a lot of fun!..
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