A 30-Kg Mass Is Attached to a Spring with a Spring

question 21

Multiple Choice

A 3.0-kg mass is attached to a spring with a spring constant of 7.0 N/m and set into simple harmonic motion with an amplitude of 5.0 cm.When the mass has 36% of its maximum kinetic energy,how far away is it from its equilibrium position?

• A)1.8 cm
• B)3.2 cm
• C)3.4 cm
• D)4.0 cm
• E)4.4 cm