Part A A small block is attached to an ideal spring and is moving in SHM on a horizontal frictionless surface. The amplitude of the motion is 0.185 m. The maximum speed of the What is the maximum magnitude of the acceleration of the block? block is 3.90 m/s. Express your answer with the appropriate units. HA Cmax Value Units Submit Request AnswerPartA We want to support a thin hoop by a horizontal nail and have the hoop make one complete small-angle oscillation each 2.0 s. What must the hoop's radius be? Express your answer with the appropriate units. HA ? R = Value Units Submit Request