a car travel at the speed of 30 km/h from point A to point B an returns back at the speed of 50 km/h to point A.find
-displacement of car
-distance traveled by car
-average speed of car
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avg speed = 2×30×50/30+50 =2×30×50/80=37.5km/hr
distance =30 + 50 =80km
distance =30 + 50 =80km
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