Two trains are moving with equal speed in opposite direction along to railway track if the wind is blowing with the speed u along the track so that relative velocity of the train with respect to the wind are in the ratio 1 is to 2 then the speed of each train must be
Two trains are moving with equal speed in opposite direction along to railway track if the wind is blowing with the speed u along the track so that relative velocity of the train with respect to the wind are in the ratio 1 is to 2 then the speed of each train must be