Posted by **Matt** on Wednesday, November 14, 2012 at 4:42pm.

Runner A is running at a constant rate of 2.3 m/s when he passes RUmmer B who is stationary. Runner A continues running at a constant pace, and Runner B begins to run 4 seconds after Runner A just passes him. If Runner B is accelerating at a rate of .5 m/s^2, how long will it take Runner B to catch up?

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