Consider the mass-spring system for mass 0.9 kg, spring constant 2 Nim, and an oscillating force 2.4 cost(ut ) Newtons. That Is, 0.02 + 2r = 2:4 cos(ut). What positive angular frequency w leads to resonance? help (numbers) What is the resonance part of the solution (without the complementary solution) -int T help (formulas) Note: You can earn partial credit on this