Problem data: k (coefficient of stiffness of the selected spring) = 40 N / m; Δx (spring compression value) = 4 mm (in SI Δx = 4 * 10 ^ -3 m).
To calculate the potential energy of the selected spring, we will use the formula: En = 0.5 * k * Δx ^ 2.
Let’s perform the calculation: En = 0.5 * 40 * (4 * 10-3) ^ 2 = 0.00032 J or 350 μJ.
Answer: The potential energy of the selected spring is 350 μJ.
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