A 079-kg block is hung from and stretches a spring that is
A 0.79-kg block is hung from and stretches a spring that is attached to the ceiling. A second block is attached to the first one, and the amount that the spring stretches from its unstretched length triples. What is the mass of the second block?
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a 079-kg block is hung from and stretches a spring that is attached to the ceiling a second block is attached to the
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