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**1. Homework Statement**

Two straight wires, each with a resistance of 0.170 ohm and a length of 3.90m, are lying parallel to each other on a smooth horizontal table. Their ends are connected by identical, non-conducting, light springs, each spring having an unstretched length of 1.08 cm. A wire of negligible resistance connects the wires at one end. When a switch is closed to connect a battery with a voltage of 49.0 V between the other ends of the wires, the wires move apart and come to rest with a separation of 1.57 cm

Question: Find the force constants of the springs.

Two straight wires, each with a resistance of 0.170 ohm and a length of 3.90m, are lying parallel to each other on a smooth horizontal table. Their ends are connected by identical, non-conducting, light springs, each spring having an unstretched length of 1.08 cm. A wire of negligible resistance connects the wires at one end. When a switch is closed to connect a battery with a voltage of 49.0 V between the other ends of the wires, the wires move apart and come to rest with a separation of 1.57 cm

Question: Find the force constants of the springs.

**2. Homework Equations**

F=-kx

(F/L)=(u

F=-kx

(F/L)=(u

_{0}I_{1}I_{2})/2Pi r**3. The Attempt at a Solution**

I tried to solve using the equations above for K, and does not work.

I tried to solve using the equations above for K, and does not work.