1.

A particle travel one-third of the total distance of the journey with speed 10 m/s, the next one third of the total distance with speed 20 m/s and the remaining distance with speed40 m/s. The average speed of the particle for the journey isO 35 m/sO 23.4 m/sO 17.14 m/sO14.6 m/s​

Answer»

17.14m/sExplanation:HI my NAME is PRIYA



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