A 400-Kg Mass Is Attached to a Very Light Ideal Spring

question 14

Multiple Choice

A 4.00-kg mass is attached to a very light ideal spring hanging vertically and hangs at rest in the equilibrium position.The spring constant of the spring is 1.00 N/cm.The mass is pulled downward 2.00 cm and released.What is the speed of the mass when it is 1.00 cm above the point from which it was released?

• A) 0.0443 m/s
• B) 0.0744 m/s
• C) 0.0201 m/s
• D) 0.0866 m/s
• E) The mass will not reach the height specified.

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