Physics, asked by shashankg1167, 1 year ago

A motorist travels to a place 150 km away at an average speed of 50 km per hour and returns at 30 km per hour. His average speed for the whole journey in km per hour is :

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Answered by meysam7kgl

2

Find time by d formula of velocity and then find av speed by dividing d total distance by total time

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