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25 Oct 2021

Given information

Given information:

One travels from point A to point B in a car moving at a constant speed of . After that the same person travels the same distance from point B to another point C, moving at a constant speed of . We have to calculate the average speed during the entire trip A to C.

 

Step-by-step explanation

Step 1.

Let the distance between the points A to B is unit.

The time taken to travel the distance from A to B is given as,

 

Here  is the speed of the car during the journey from A to B.

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