two trains A and B which are 100 km apart are travelling towards each other on different tracks with each having initial velocity of 50kmh. The train A accelerates at 20kmh^2 and train B retards at the rate of 20kmh^2. The distance covered by the train A when they cross each other is????? please provide me with method. ...
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Explanation:
Relative acceleration will be zero as one is accelarating and another is retarding so same direction will result in zero acceleration.
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