An 80-Kg Block Is Attached to a Spring with a Constant

Multiple Choice

An 8.0-kg block is attached to a spring with a constant of 2.0 N/m.If the spring is stretched 3.0 m from its equilibrium position and released from rest,the maximum velocity attained by the mass is

A) 0.75 m/s
B) 1.5 m/s
C) 3.0 m/s
D) 4.2 m/s
E) 15 m/s