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 \(m/s\)
Attribution#
Problem is licensed under the CC-BY-NC-SA 4.0 license.