Physics, asked by tanvvi6030, 1 year ago

An old man goes to market at a speed of 4km/hr and returns along the same way at a speed of 2km/hr.His average speed is

Answers

Answered by sprao534

3

Average speed =2/(1/4+1/2)=2(4/3)=8/3=2.67km/hr
(Hormonic mean)

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