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Standard VII
Mathematics
Average Speed
85. A motor c...
Question
85. A motor car travelled the first third of the distance s at a speed of v1=10kmph,the second third at a speed of v2=20kmph and the last third at a speed of v3=60kmph.Determine the mean speed of the vehicle over the entire distance s
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A car travelled first third of a distance at 10 km/h, second third of the distance at 20 km/h and last third of the distance at 60 km/h. Mean speed of the car over entire distance is