A spring with constant is compressed while attached to a 0.050 kg pellet

PHYSICS · Subjective · CBSE · Physics · Work, Energy and Power · Work, Energy and Power

Problem

A spring with constant k=800 N/mk = 800\,\text{N}/\text{m} is compressed 0.10 m0.10\,\text{m} while attached to a 0.050 kg pellet. The system is defined as the pellet and the spring only. Calculate the mechanical energy contained in this system immediately before the pellet is released. (Neglect any gravitational effects.)

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