R Reloman New Member Joined Apr 11, 2013 Messages 9 Gender Male HSC 2013 Jul 31, 2013 #2 equate (mv^2)/r with qvbsin(theta) and make 'r' the subject and note that theta =90 and sin(90) = 1 so you can just ignore that part when equating the two equations.
equate (mv^2)/r with qvbsin(theta) and make 'r' the subject and note that theta =90 and sin(90) = 1 so you can just ignore that part when equating the two equations.
