PhysicsElasticityWAEC
A spring of force constant 400 N/m is stretched 0.1 m. How much energy is stored in it?
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Answer: C. 2 J
E = ½ke² = ½ × 400 × 0.01 = 2 J.
An AdmitMe practice question, written for the WAEC syllabus. Not an official past question.