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Question: a how long does the objects journey last according to...

Question details

a)  How long does the object’s journey last, according to the graph? 1 mark 

b)  What is the average speed of the object over its journey? 3 marks

c) Find the object’s instantaneous speed at the 20 s mark. On the graph, show CLEARLY the points you used to work out the answer to this question AND draw the triangle formed by your points. 4 marks 

 

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