a car travels in a straight line with a velocity of 80km/h in 2.5h and -40km/ h in 1.5 s . the average velocity of the car is
a)45km/h
b)35 km/h
c)40km/h
d)50km/h
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Answer:
65 km/h (there seem to be an extra option in the question.)
Explanation:
Find the total distance, find the total time. Then divide distance by time to find the total or average speed (or velocity).
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