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A spring stores 68 j of potential energy when it is stretched by 6 cm
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A spring stores 68 j of potential energy when it is stretched by 6 cm

User Gmoon
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The force on the spring is the weight of the object, 13.2*9.8 = 129 Nx = 5.93 cm =0.0593 m129 = k(0.0593)k = 2181 N/m
User Paul Carey
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