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When a 2.00-kg object is hung vertically on a certain light spring described by Hooke's law, the spring stretches 2.67 cm.
(a) What is the force constant of the spring?
N/m
(b) If the 2.00-kg object is removed, how far will the spring stretch if a 1.00-kg block is hung on it?
cm
(c) How much work must an external agent do to stretch the same spring 7.40 cm from its unstretched position?
J
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