# An automobile travels on a straight road for 49 km at 39 km/h. It then continues...

###### Question:

An automobile travels on a straight road for 49 km at 39 km/h. It then continues in the same direction for another 49 km at 78 km/h. (a) What is the average velocity of the car during this 98 km trip? (Assume that it moves in the positive x direction.) (b) What is the average speed?

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