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28 Two cars A and B are moving on a straight line in the same...

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28 Two cars A and B are moving on a straight line in the same direction with velocities v and v respectively When they are separated by distance of then car A starts decelerating with value a and car B starts accelerating with a The minimum value of d so that the cars do not collide is 1 3 2 a 8 2 V V 2 a a V V 4 21a 8

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