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Lec5 - Lecture 5 Weds 2 Sept 09 Chapter 2 Motion along a...

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Lecture 5 Weds 2 Sept 09 Chapter 2: Motion along a straight line (cont’d) Instantaneous position x ( t ), velocity v x ( t ), acceleration a x ( t ) -- Obtain v x (t) and a x ( t ) from x ( t ) using derivatives -- Go the other way: obtain x ( t ) and v x ( t ) from a x ( t ) using integrations Average velocity v av x , average speed v av , average acceleration a av x over a time interval Constant Acceleration Free fall
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