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27 Nov 2019

Hooke's law describes a certain light spring of unstretched length31.0 cm. When one end is attached to the top of a door frame, and a7.60-kg object is hung from the other end, the length of the springis 40.00 cm.
(a) Find its spring constant.
1. kN/m

(b) The load and the spring are taken down. Two people pull inopposite directions on the ends of the spring, each with a force of150 N. Find the length of the spring in this situation.

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Sixta Kovacek
Sixta KovacekLv2
7 Feb 2019

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