A mass of \( 4 \mathrm{~kg} \) suspended from a spring of force con...

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A mass of \( 4 \mathrm{~kg} \) suspended from a spring of force constant \( 800 \mathrm{Nm}^{-1} \) executes simple harmonic oscillations. If the total
\( \mathrm{P} \) energy of the oscillator is \( 4 J \), the maximum acceleration (in

W \( {m s^{-2}}^{\text {) }} \) of the mass is
[Kerala PET 2010]
(a) 5
(b) 15
(c) \( \cdot 45 \)
(d) 20
(e) 25
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