Solve the each part of given problemproblem hookes law, Ask an Expert

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Solve the each part of given problem:

Problem: Hooke's law describes a certain light spring of unscratched length 36.0 cm. When one end is attached to the top of a door frame and a 6.40-kg object is hung from the other end, the length of the spring is 46.0 cm.

Part A: Find its spring constant?

Part B: The load and the spring are taken down. Two people pull in opposite directions on the ends of the spring, each with a force of 180 N. Find the length of the spring in this situation.

Please show all intermediate steps and formulas for above problem.

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