Problem 5: The figure shows a cross section of three long, straight, and parallel current- L. A 5.00 A carrying wires. Notice we are using the common convention that crosses denote vectors pointing into the page and dots denote vectors coming out of the page. 10.0 A 10.0 cm 20.0 A Part (a) Find the magnitude of the force per unit length, in newtons per meter, on wire A. FA= 1.732 * 10-4 FA = 1.732E-4 X Attempts Remain Part (b) Find the direction of the force for wire A. Measure this angle counterclockwise, in degrees, from the positive x-axis. OA = 120| X Attempts Remain 10.0 cm 10.0 cm-

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Density of Solids

The density of a substance refers to how much matter is present in a given amount of space. It is expressed as the ratio of the mass of the substance to its volume.