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Question: The graph shows the speed of a jet plane for duration of 10 minutes. Write an equation to represent the speed S of the plane.



A ) S = 200
B ) T = 5
C ) T = 10
D ) S = 300

Steps to derive

1 From the graph, it is observed that the speed of the jet is 300 m/sec throughout the time period.

2 So, the equation for the speed of the jet during the period is S = 300.



Hence the right answer is Option D

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