1.Cart A, of mass m, starts from rest and travels in a straight line with acceleration a. It traverses a
ance x in time t. Cart B, of mass 4m, starts from rest and travels in a straight Iine with acceleration a/2. At time t it has traversed the distance (A) x/4 (B) x/2 (C) x (D) 2x (E) 4x
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