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Physics, 14.11.2019 20:31 Eruein

When a 2.60-kg object is hung vertically on a certain light spring described by hooke's law, the spring stretches 2.86 cm. (a) what is the force constant of the spring? n/m (b) if the 2.60-kg object is removed, how far will the spring stretch if a 1.30-kg block is hung on it? cm (c) how much work must an external agent do to stretch the same spring 7.50 cm from its unstretched position?

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