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Fill out These Blanks...

1. A vector quantity always has _______ and ________.

2. Acceleration in the direction an object is moving _______ the motion of the object.

3. The tendency of an object to remain at rest or to continue in constant motion is its _______.

4. When two balls collide, the momentum of the balls after the collision is determined by the _______.

5. Kinetic energy depends on mass and _______.

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