A bus makes a trip according to the position-time graph shown in the illustration. What is the average acceleration (in km/h²) of the bus for the entire 3.5-h period shown in the graph? +52.0 Position x (km) ā= +39.0 +26.0 +13.0 A 0 0 0.5 1.0 > i 8.17 B 1.5 2.0 2.5 Time (h) 3.0 3.5 km/h^2 v

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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I keep getting -8.17 and the practice problem is saying that is incorrect. 

A bus makes a trip according to the position-time graph shown in the illustration. What is the average acceleration (in km/h²) of the
bus for the entire 3.5-h period shown in the graph?
Position.x (km)
ā=
+52.0
+39.0
+26.0
+13.0
F
O
0
A
0.5
i
1.0
8.17
B
1.5 2.0 2.5 3.0
Time (h)
3.5
km/h^2
Transcribed Image Text:A bus makes a trip according to the position-time graph shown in the illustration. What is the average acceleration (in km/h²) of the bus for the entire 3.5-h period shown in the graph? Position.x (km) ā= +52.0 +39.0 +26.0 +13.0 F O 0 A 0.5 i 1.0 8.17 B 1.5 2.0 2.5 3.0 Time (h) 3.5 km/h^2
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It is still saying that is not correct. I have tried this practice problem over and over and that is the only part that it keeps saying is incorrect. the negative and units are correct. I appreciate your help. 

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