A Mass Is Suspended Vertically from a Spring So It

question 78

Multiple Choice

A mass is suspended vertically from a spring so it is at rest at the equilibrium position.The mass is pulled straight down to an extension x and released so that it oscillates about the equilibrium position.The speed of the mass is greatest when the mass is

• A) at its maximum upward travel.
• B) at the equilibrium point.
• C) at its maximum lower travel.
• D) somewhere between the equilibrium point and maximum extension.