a car travel half the distance with constant velocity of 20km/h and another half with constant velocity of 30km/h what is the average velocity of car?
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Answer:
Average Velocity = 2V1V2/V1+V2
V1-20
V2 - 30
Vav = 1200/50
Vav = 24Km/hour
Actual Formula-
Average Velocity = Total displacement/Total Time
Total displacement - S
Time = distance/speed
T1 = S/40
T2 - S/60
Put Value
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