5.3 Springs & Elastic Potential Energy

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Springs

SPRINGS
Restoring Force (Hooke’s Law)	F = -kx k = spring constant x = displacement from equilibrium
Elastic Potential Energy	PE = ½ kx² SI unit = Joule
Conservation of Mechanical Energy	KE_i + PE_i = KE_f + PE_f ½ mv_i ² + mgy_i = ½ mv_f ² + mgy_f

5.3 springs