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0.14 Two trains A and B are travelling on pasal es tracks with speeds 60 km/h and 45 km/h espectCalculate the relative velocity of Awith respectto B. If is both are traveling in the sameí both are bravelling in opposite direction |
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Answer» Two trains A and B are moving on parallel tracks in opposite direction at same speed of `30 ms^( �1)`. Just when the ENGINES of the two trains are about to cross, the engine of train A begins to sound a HORN. The sound of the horn is composed of components varying in frequency from `900 Hz` to 1200 Hz. |
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