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