Question

A car traveled from town p to town q at a speed of 60 kmph and returned at a speed of 40 kmph. Find its average speed for the journey.

Answer 1

it is a simple question there is a simple formula for this types of questions when distance is similar that is 2 V1 V2 divided by V1 Plus V2
hence 2 into 60 into 40 upon 60 + 40

Answer 2

Given :

Initial speed of car , u = 60 km/hr .

Returning speed , v = 40 km/hr .

To Find :

Average speed for the journey.

Solution :

We know , average of two quantity x and y is given by :

$Avg=\dfrac{x+y}{2}$

So , average speed is given by :

$v_{avg}=\dfrac{u+v}{2}\\\\v_{avg}=\dfrac{60+40}{2}\\\\v_{avg}=50\ km/hr$

Hence , this is the required solution .

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Average velocity

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