If you charge a pocket comb by rubbing it with a silk scarf,how can you determine if the comb is positively or negatively charged?

Q: Two metal spheres, each of radius 4.2 cm, have a center-to-center separation of 1.6 m. Sphere 1 has…

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Q: A small plastic sphere is charged to -10 nC. It is held 1.0 cm above a small glass bead at rest on a…

A: Calculate the magnitude of force between the charge -10 nC and +10 nC. F=10×10-9×10×10-94πε01×10-22…

Q: If a cat repeatedly rubs against your cotton slacks on a dry day, the charge transfer between the…

A: According to Bartleby guidelines, I can answer a maximum of three subparts. If you need other parts…

Q: Electrons have a charge of q = -1.602 × 10-19 C. A student observes that a Styrofoam cup has a total…

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Q: You have a lightweight spring whose unstretched length is 4.0 cm. First, you attach one end of the…

A: Answer:-  Given  Length of spring (l1) = 4.0 cm = 0.04 m  The mass suspended (m) = 2.2 g m = 2.2 ×…

Q: GIVEN: x-axis Positive charge Q is distributed uniformly along the positive y-axis between y=0 and…

A: We are given the charge distributed on a line along a fixed length. We first find the small electric…

Q: You hold a ruler that has a charge on its tip 4 cm above a small piece of tissue paper to see if it…

A: To pick up the tissue, the electric force on the tissue must be equal to the gravitational force…

Q: Five point charges, all with q= 60 nC, are spaced equally along a semicircle as shown in  the…

A: q = 60 nCradius (r) of the semi circle = 9.5 m

Q: The two particles have a charge of +Q1 and +Q2, respectively, while their total charge is 6 mC. The…

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Q: Two small identical conducting spheres each of mass 1 g are suspended by silk threads 20 cm long…

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