2019
= 2019
{scope}
{title2=A10287W1}
Source paper: https://www.whatdotheyknow.com/request/oxford_physics_past_papers_2/response/2340696/attach/7/Physics%20Papers%202018.pdf?cookie_passthrough=1
These solutions use the ordinary sitting. The cover gives 2019 although the annual release is named 2018. The tunnel formula in question 1 requires a ceiling-height regime, and the offset <circular orbit> in question 8(c) is singular where it meets the force centre.