a car travel half of the distance with constant velocity 40km and another half with a constant velocity of 60km/h along a straight line the average velocity of the car is
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u = 40 km/h = 40 × 5 / 18 = 100/9 m/s
v = 60 km/h = 60 × 5 / 18 = 100/3 m/s
Average velocity = (u + v) / 2
= (100/9 + 100/3) /2
= 400/9 / 2
= 200 / 9
= 22.22 m/s
v = 60 km/h = 60 × 5 / 18 = 100/3 m/s
Average velocity = (u + v) / 2
= (100/9 + 100/3) /2
= 400/9 / 2
= 200 / 9
= 22.22 m/s
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