Tension in x-plane = mv^2/r = 1.2N
Tension in y-plane = mg = 1.47N
So, to find the magnitude of tension on the spring we = squareroot(1.2^2 + 1.47^2) = 1.897N ~ 1.9N
Or if you want to be hardcore by finding the angle and using that angle to solve for tension do this:
Tan(angle)= v^2/g*r = 39.2...