A spring has k 96 nm. use a graph to determine the work, Ask an Expert

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Q1. The total flux through the outer surface of a solid sphere is 17.1 Nm^2/c. The total flux through the top hemisphere of sphere is 8.90 Nm^2/c. (a) what is the total charge on the sphere? (b) is the sphere a conductor or insulator? Describe.

Q2. A spring has k = 96 Nm. use a graph to determine the work needed to stretch it from x=3.8 cm to x=6.1cm, where x is the displacement from its unstretched length.

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