A2.00 kg, frictionless block is attached to an ideal spring with force constant 300 N/m. At t = 0 the block has velocity -4.00 m/s and displacement +0.200 m away from equilibrium. myct/itemView?assignment ProblemID=186684604&offset=next ch Find the amplitude. Express your answer to three significant figures and include A = Submit Part B HA Value Submit Request Answer Find the phase angle Express your answer in radians. Request Answer Units POSICI ? rad