A 020-Kg Mass Is Oscillating on a Spring Over a Horizontal

Multiple Choice

A 0.20-kg mass is oscillating on a spring over a horizontal frictionless surface.When it is at a displacement of 2.3 cm for equilibrium it has a kinetic energy of 1.5 J and a spring potential energy of 2.3 J.What is the maximum speed of the mass during its oscillation?

A) 4.4 m/s
B) 0.16 m/s
C) 6.2 m/s
D) 4.8 m/s
E) 3.0 m/s