an object goes from point x to y 40 km away then come back from y to x.if the total time of journeyvis 4h,then what is the average speed?
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total distance covered by the object from x to y and y to x = 40+40= 80km
total time required= 4hrs
speed = dist/ time
= 80/4
= 20km/hr
therefore,the speed of the object was 20km/hr
total time required= 4hrs
speed = dist/ time
= 80/4
= 20km/hr
therefore,the speed of the object was 20km/hr
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