The correct option is 8.0 × 10⁻³ J. The total mechanical energy of the system is calculated to be approximately 7.9 × 10⁻³ J, which rounds to this value.
A particle of mass 40 g executes a simple harmonic motion of amplitude 2.0 cm. If the time period is 0.20 s, find the total mechanical energy of the system?
Review the verified answer and explanation for this SPSC – Sindh Public Service Commission past-paper question on CampusFin.
Question context
This question is part of ⚙️ Mechanical Eng within the broader 🛠️ Engineering Essentials subject and appears in the SPSC – Sindh Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.