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A spring has a force constant of 358 N/m and an unstretched length of 6 cm.
A spring has a force constant of 358 N/m andan unstretched length of 6 cm. One end isattached to a post that is free to rotate in thecenter of a smooth table, as shown in the topview below. The other end is attached to a5 kg disk moving in uniform circular motionon the table, which stretches the spring by4 cm.