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A spring-mass system ( m1 + massless spr...

A spring-mass system ( `m_1` + massless spring + `m_2`) fall freely from a height `h` before `m_2` colliding inelastically with the ground. Find the minimum value of `h` so that block `m_2` will break off the surface. Assume k=stiffness of the spring.

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`(m_(2)(2m_(1)+m_(2)))/(2m_(1)k)`
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