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Average speed= Distance/Time=15/0.5=30km/h

Speed in km/h=30km/h
Speed in m/s=30*5/18=8.33m/s
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Tɧaŋkҳ ʆɷɾ tɧҽ qųҽىtɩɷŋ

average speed =total distance/total time=15/0.5=30km/hr

in m/s=30*5/18=8.33m/s

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