Vehicle Crash

Vehicle Crash#

Santiago is following 5.45 \(m\) behind a truck when it suddenly brakes with an acceleration of -14.3 \(m/s^2\). Both Santiago’s semi-truck and the truck in front of Santiago were initially travelling at 36.6 \(m/s\). Santiago begins to brake ( with the same acceleration as the truck in front) 0.4 \(s\) after the truck in front of Santiago. 1.155 \(s\) after the truck in front of Santiago starts to brake, Santiago hits their truck.

Part 1#

At what speed is Santiago’s semi-truck travelling when Santiago hit the truck in front of them?

Answer Section#

  • 25.8 \(m/s\)

  • 20.08 \(m/s\)

  • 30.88 \(m/s\)

  • 14.36 \(m/s\)

Attribution#

Problem is licensed under the CC-BY-NC-SA 4.0 license.
The Creative Commons 4.0 license requiring attribution-BY, non-commercial-NC, and share-alike-SA license.

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