Physics: Energy of Spring

Jun 18th, 2015
Anonymous
Category:
Engineering
Price: $5 USD

Question description

When a 2.60-kg object is hung vertically on a certain light spring described by Hooke's law, the spring stretches 3.06 cm.

(a) What is the force constant of the spring?

 (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?

 (c) How much work must an external agent do to stretch the same spring 9.00 cm from its unstretched position?

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