Vehicle Crash#

Lorenzo is following 3.25 \(m\) behind a when it suddenly brakes with an acceleration of -13.8 \(m/s^2\). Both Lorenzo’s and the in front of Lorenzo were initially travelling at 31.7 \(m/s\). Lorenzo begins to brake ( with the same acceleration as the in front) \(s\) after the in front of Lorenzo. \(s\) after the in front of Lorenzo starts to brake, Lorenzo hits their .

Part 1#

At what speed is Lorenzo’s travelling when Lorenzo hit the in front of them?

Answer Section#

  • 8.571 \(m/s\)

  • 5.811 \(m/s\)

  • 28.94 \(m/s\)

  • 3.051 \(m/s\)


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