#

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.
The Creative Commons 4.0 license requiring attribution-BY, non-commercial-NC, and share-alike-SA license.