Pysics lesson 2.25.docx - 1 A position time graph shows the...

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1. A position time graph shows the movement of an object over a period of time. This graph can be used to trace how fast an object was moving at any time period. 2. Average speed is the mean taken of how fast the object was moving at every point of the graph. Instantaneous speed is the speed taken at one exact time 3. The moon exerts much less gravitational pull because of the considerable difference between the sizes of the two. No, I don’t think you can shield a gravitational field. Gravity
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