Question 2.b. from this paper - http://www.sqa.org.uk/files_ccc/PhysicsEQPAH.pdf
let theta = x
Tcosx = mg
Tsinx = 2.5 (2.5 is the centripetal force)
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.