a train travel 20km at uniform speed of 60kmh/1 and the next 20km at a uniform speed of 80km/h/1. calculate its average speed​

Question

a train travel 20km at uniform speed of 60kmh/1 and the next 20km at a uniform speed of 80km/h/1. calculate its average speed​

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Alaia 1 month 2021-08-19T10:09:49+00:00 1 Answer 0 views 0

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    2021-08-19T10:11:24+00:00

    Answer:

    AVERAGE SPEED = 2V1V2/ V1+V2

    V1= 60KM/H

    V2= 80KM/H

    SO AVERAGE SPEED IS

    2 × 60 × 80/ 60+80

    9600/ 140

    = 68.5KM/H

    PLEASE MARK AS BRAINLIEST

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