1. The problem statement, all variables and given/known data Question 2.b. from this paper - http://www.sqa.org.uk/files_ccc/PhysicsEQPAH.pdf 2. Relevant equations let theta = x Tcosx = mg Tsinx = 2.5 (2.5 is the centripetal force) 3. The attempt at a solution I rearranged the above equations and got 52 degrees as my answer. The mark scheme(at the bottom of the same document says it's 36 degrees.