a small plastic sphere with a charge of 5.0 E Mastering physics Homework :Electr
ID: 1572143 • Letter: A
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a small plastic sphere with a charge of 5.0 E Mastering physics Homework :Electric F and Fields Google Chrome Secure I n.masteringphysics.com/myct/itemview?offset nmentProblemID 72930690 PHY 2054 College Physics 2 Spring 2017 Homework Electric Forces and Eelds Item 15 Resources 15 of 18 next Item 15 Part A What is the magnitude of the electric force on charge A in the figure? Eigure 1) Figure 1 of Submit My Answers GyeUD Part B 4.0 nC This question wil be shown after you complete previous questions) 0 nC 1.0 nC A Contnue 1 cm cmExplanation / Answer
Force on charge A = kq1q2/r^2 + kq1q3/r^2
F =- 9*10^9*1*10^-18/.01^2 + 9*10^9*4*10^-18/.02^2
F =- 9×10^-5 + 9×10^-5 =0 N
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