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two car p and Q start from a point at the same time in a straight line and their positions are represented by |
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Answer» Answer: d) is CORRECT answer Explanation: differentiate both the expression wrt time to OBTAIN expression for their velocities V1= a + 2bt V2 = f-2t let at time t both cars have same velocity a+2bt = f-2t a-f= t(-2-2b) t= (f-a)/2+2b |
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