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A car covers the first half of the distance between two places at a Speed of 40 km/h and the around half at 60 km/h. What is the average speed of the car

Answer»

n :Given :-A car covers first HALF of total distance with velocity 40kmph and second half of total distance with velocity 60kmph.To Find :-Average velocity of car during WHOLE journey.Concept :-▪ Average velocity of object is defined as RATIO of total distance TRAVELLED to the total time taken.▪ Average velocity is vector quantity.Calculation :-If body covers first half of total distance with velocity V1 and second half of total distance with velocity V2, then average velocity of body is given by



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