Choose the one alternative that best completes the statement or answers the question. -A 1.53-kg piece of iron is hung by a vertical ideal spring. When perturbed slightly, the system is

Choose the one alternative that best completes the statement or answers the question.
-A 1.53-kg piece of iron is hung by a vertical ideal spring. When perturbed slightly, the system is moves up and down in simple harmonic oscillations with a frequency of 1.95 Hz and an amplitude
Of 7.50 cm. If we choose the total potential energy (elastic and gravitational) to be zero at the
Equilibrium position of the hanging iron, what is the total mechanical energy of the system?
A) 0.955 J
B) 0.633 J
C) 0.844 J
D) 0.646 J
E) 0.000 J

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