Speed and Acceleration

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Across
1.The speed of an object and its direction of motion.
4._____________ acceleration occurs when an object keeps a constant speed.
5.The distance an object travels per unit of time.
7.The distance and direction of an object's final position from its initial position.
9._____________ speed of an object is the total distance traveled by the total travel time.
10.The change in velocity of an object divided by the time for the change to occur.
11.A quantity that is specified by both size and a direction.
Down
2._____________ speed of an object is the speed at a single instant of time.
3._____________ acceleration occurs when an object decreases its speed.
6.The total length an object travels.
8._____________ acceleration occurs when an object increases its speed.

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