A 050-Kg Block Attached to an Ideal Spring with a Spring

question 19

Multiple Choice

A 0.50-kg block attached to an ideal spring with a spring constant of 80 N/m oscillates on a horizontal frictionless surface.The total mechanical energy is 0.12 J.The greatest speed of the block is:

• A)0.15 m/s
• B)0.24 m/s
• C)0.49 m/s
• D)0.69 m/s
• E)1.46 m/s