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is following \(m\) behind a when it suddenly brakes with an acceleration of - \(m/s^2\). Both ’s and the in front of were initially travelling at \(m/s\). begins to brake ( with the same acceleration as the in front) \(s\) after the in front of . \(s\) after the in front of starts to brake, hits their .
Part 1#
At what speed is ’s travelling when hit the in front of them?
Answer Section#
Attribution#
Problem is licensed under the CC-BY-NC-SA 4.0 license.