A spring mass system of spring constant 5 N/m, having upper and lower masses 10 Kg and 15 Kg respectively, is held at rest at height H. Find the minimum value of H so that the system has a tendency to rebound after hitting the ground. The coefficient of the restitution between lower mass and ground is zero.
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Answer:
baded on conservation of energy
so answer is H = 52.5 m
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