مش فاهم جزئية الIrregular speed وعلاقتها ب average speed
-we use average speed to measure the amount of irregular speed .. because we cant measure the irregular speed
-ازاي بقا الaverage speed = regular speed
نفرض speed irregular بمعنى as an exp..10 then 30 then 80 then 60 >>>then the average is sum all of them divided by 4 >>>>thats the average speedعرض
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