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I have two equal horizontal springs attached to each other on one end. The other ends of the spring are fixed (they do not move). The equilibrium length of each spring is 30 cm. I hang a 5 kg mass between the two springs (so that each of the springs now angles downward). The mass drops a distance of 10 cm before stopping. What is the spring constant 3) Use energy to solve this. The answer for k is approximately 4900
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