A Ball Vibrates Back and Forth from the Free End

question 26

Multiple Choice

A ball vibrates back and forth from the free end of an ideal spring having a spring constant of 20 N/m.If the amplitude of this motion is 0.30 m,what is the kinetic energy of the ball when it is 0.30 m from its equilibrium position?

• A)0.00 J
• B)0.22 J
• C)0.45 J
• D)0.90 J
• E)1.4 J

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