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Pls solve and send the answer... send step by step explanation also |
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Answer» Answer: as area of speed time GRAPH GIVE total distance . KEY point is only that time is given is min in the graph and we have to change it in hour. so total distance=area of graph=1/2 ×b×h =1/2×(20/60 hr)×(40km/hr) =20/3 km now avg. speed = total distance /time = (20/3)/ (20/60) =20 km/hr |
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