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A downward force of 3.0N is exerted on a -8.8C charge.
1. What is the direction of the electric field at this point?
2. What is the magnitude of the electric field at this point?
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A 45 kilogram crate is on a ramp inclined at 36o to the horizontal, and the coefficient of friction between the crate and the ramp is .26. Evaluate the force of friction
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A cosmic-ray proton in interstellar space has an energy of 21.5 MeV, What is the magnetic field in that region of space
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a certain orthodontist uses a wire brace to align a patients crooked tooth as in the figure below. the tension in the
A thin, flat washer is a disk with an outer diameter of 14 cm and a hole in the center with a diameter of 3 cm. What is the electric field on the axis of the washer
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