A 050-Kg Object Is Attached to an Ideal Spring of Spring

Short Answer

A 0.50-kg object is attached to an ideal spring of spring constant 20 N/m along a horizontal,frictionless surface.The object oscillates in simple harmonic motion and has a speed of 1.5 m/s at the equilibrium position.What are (a)the total energy and (b)the amplitude of vibration of the system?