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October 31, 2014

Homework Help: physics

Posted by Syed on Monday, April 25, 2011 at 5:43am.

A 0.20-kg mass is hung from a vertical spring of force constant 55 N/m. When the
spring is released from its unstretched equilibrium position, the mass is allowed to
fall. Use the law of conservation of energy to determine
(a) the speed of the mass after it falls 1.5 cm
(b) the distance the mass will fall before reversing direction

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