## Exam-Style Question on Kinematics## A mathematics exam-style question with a worked solution that can be revealed gradually |

Question id: 56. This question is similar to one that appeared on an IB Standard paper in 2014. The use of a calculator is allowed.

Pob and Wie are travelling from Bangkok to Khon Kaen.

Pob travels at a velocity given by \(V_P=50-t^2\), where t is
in seconds and the velocity is in ms^{-1}.

Wie's displacement from Bangkok in metres is given by \(S_W=2t^2+70\).

When \(t=0\), both vehicles are at the same point.

Find Pob's displacement from Bangkok when \(t=5\).

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