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NEET UG PHYSICS MCQ: WORK-ENERGY-POWER
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When a 1.0 kg mass hangs attached to a spring of length 50 cm, the spring stretches by 2 cm. The mass is pulled down until the length of the spring becomes 60 cm. What is the amount of elastic energy stored in the spring in this condition, if
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Correct option: B
2.0 joule
Option B (2.0 joule) is correct because it is the elastic potential energy calculated using the spring constant and the final extension.
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