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The electric field near the surface of Earth points downward and has a magnitude of 148...

The electric field near the surface of Earth points downward and has a magnitude of 148 N/C. What is the ratio of the magnitude of the upward electric force on an electron to the magnitude of gravitational force on the electron? Tries 0/5 Problem 21-40b: What charge should be placed on a plastic ball of mass 5.38 g so that the electric force balances the weight of the ball near Earth's surface?

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Answer #1

く92 e t R= 2.23 14-8 Aus

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