Near the surface of the Earth, there is a downward
Chapter 16, Problem 5SL(choose chapter or problem)
Problem 5SL
Near the surface of the Earth, there is a downward electric field of 150 N/C and a downward gravitational field of 9.8 N/kg A charged 1.0-kg mass is observed to fall with acceleration 8.0 m/s2 .What are the magnitude and sign of its charge?
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