Back to Coulomb's Law — Problem 6 · Task Set 4
Exercises: Coulomb's Law
Work through each section in order. Use $k = 9 \times 10^9$ N·m²/C² throughout. Show your work on all calculation problems.
Grade 11·20 problems·~35 min·OpenStax Physics (High School)·section·sec-18-2
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A
Fluency Practice
Use N·m²/C². Show your work and state the direction of each force.
1.
In the same setup (A at 0, B at 0.30 m, C at 0.50 m), what is the net force on charge C? (Positive = right, negative = left.) Express your answer to two significant figures.