Alright, done research online, found the formula of magnetic force of attraction. F = (Bg^2)*Ag/(2*permeability of air). I guess it is the missing piece of the puzzle and the rest of the question should unravel themselves.
Any other opinion or idea? Please do not hesitate to reply.
100% sure...
Homework Statement
Refer attachment q.Homework Equations
Refer attachment f.The Attempt at a Solution
Refer attachment t.
Please help, this lecturer likes to give questions that are not taught during exams.