Apoint charge of -3.00 μc is located in the center of a spherical cavity of radius 6.90 cm inside an insulating spherical charged solid. the charge density in the solid is 7.35 × 10−4 c/m3.part acalculate the magnitude of the electric field inside the solid at a distance of 9.20 cm from the center of the cavity. express your answer with the appropriate units. ee=

Which force is most responsible for binding together an atom's protons and neutrons? electrostatic gravitational nuclear magnetic

A3.9 g aluminum foil ball with a charge of +4.1×10−9 c is suspended on a string in a uniform horizontal e⃗ field. the string deviates to the right and makes an angle of 30∘ with the vertical. part a part complete what information about the e⃗ field can you determine for this situation? what information about the field can you determine for this situation? only the magnitude of e⃗ only the direction of e⃗ both the magnitude and the direction of e⃗ none of the above previous answers correct part b determine the magnitude of the electric field. express your answer with the appropriate units. e e = nothing nothing request answer part c determine the direction of the electric field. determine the direction of the electric field. to the right to the left away from you toward you

Which of these is not a possible type of energy transformation? a. electrical energy into light energy b. sound energy into nuclear energy c. potential energy into kinetic energy d. kinetic energy into mechanical energy