| http://www.w3.org/ns/prov#value | - We will use vectors to represent the velocity of the ball in your problem.[green] example: here is a vector that represents a distance of 3 meters in the x direction: meters, 0 meters> (first number is the 'x' value, second is the 'y' value. example: here is a vector representing a ball traveling in the positive 'x' direction at 1 meter/second and the negative 'y' direction at 5 meters per second:<1
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