Answer to Question #178911 in Physics for Andu

Question #178911

To extend a spring by 7 cm a job of 14 J is performed. Find the coefficient of elasticity of the system.

Expert's answer

"PE=\\frac{kx^2}{2}\\to k=\\frac{2PE}{x^2}=\\frac{2\\cdot 14}{0.07^2}=5714\\ (N\/m)" . Answer

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