A car travels 22km south, 12 km west, and 14 km north in half an hour. a) what is the average speed of the car b) What is the final displacement of the car c) what is the average velocity of the car
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total time taken = 0.5 hrtotal distance travelled = 22+12+14=48 kmaverage speed = total distance travelledtotal time taken=480.5=96 km/hras show in fig, net displacement is OA.OA2=122+82=144+64=208OA = 14.44 kmaverage velocity = net displacementtotal time taken=14.440.5=28.88 km/h

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speed=24km/h
displacement=14km
velocity=7km
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