Respuesta :
The average speed of the car during this interval is 15 m/sec. Option C is correct.
What is the average speed?
The total distance traveled by an object divided by the total time taken is the average speed.
The average speed of an object indicates the pace at which it will traverse a distance. The metric unit of speed is the meter per second.
The average speed of the car is;
[tex]\rm V_{avg}=\frac{11+19}{2} \\\\\ \rm V_{avg}=15 \ m/sec[/tex]
The average speed of the car during this interval is 15 m/sec
Hence,option C is correct.
To learn more about the average speed, refer to the link;
brainly.com/question/12322912
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