A 030-Kg Block Rests on a Frictionless Level Surface and Is

Multiple Choice

A 0.30-kg block rests on a frictionless level surface and is attached to a horizontally aligned spring with a spring constant of 52.0 N/m.The block is initially displaced 3.20 cm from the equilibrium point and then released to set up a simple harmonic motion.What is the speed of the block when it passes through the equilibrium point?

A) 2.36 m/s
B) 0.596 m/s
C) 1.67 m/s
D) 0.421 m/s
E) 2.28 m/s