What was the average acceleration of the car from 40 seconds to 46 seconds? Include the correct units. Remember that means final value minus initial value. What does the negative number of your answer tell you about the acceleration of the car?

the answer is d. 4

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molecules are free to separate from each other and will take on the shape of the container. molecules move completely at random and high speeds. they vibrate in a fixed position and do not move around much. molecules expand to the edge of their container.