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When a 2.90 kg object is hung vertically on a certain light spring described by hooke's law, the spring stretches 2.36 cm

A) what is the force constant of the spring?

B) if the 2.90-kg object is removed, how far will the spring stretch if a 1.45 kg block is hung on it?

C) how much work must an external agent do to stretch the same spring 8.90 cm from its unstretched position?

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Category:- Physics
Reference No.:- M9891345

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