Physics, 25.08.2019 03:30 serenity6282

Aplane travels 350 km south along a straight path with an average velocity of 125 km/h to the south. the plane has a 30 minute layover, and then travels 220 km south with an average velocity of 115 km/h to the south. what is the average velocity for the trip?
a.120 km/hr to the south
b.110 km/hr to the south
c. 121 km/hr to the south
d. need more information

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Aplane travels 350 km south along a straight path with an average velocity of 125 km/h to the south....