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52. Two trains take 3 s to pass one another when going in the opposite but only 2.5 s if the speed of one is increased by 50% . What is the time one would take to pass the other when going in the same direction at their original speeds ? |
| Answer» 52. Two trains take 3 s to pass one another when going in the opposite but only 2.5 s if the speed of one is increased by 50% . What is the time one would take to pass the other when going in the same direction at their original speeds ? | |