Unless otherwise specified i is the unit vector pointing to the right. j is the

Question

Unless otherwise specified i is the unit vector pointing to the right. j is the unit vector pointing up. k is the unit vector pointing toward you. Your best submission for each question part is used 1. +,-/12.5 points A charge q 1-8 pC is at the origin, and a charge q2 = 6.0 C is on the x axis at x =9 m. a) Find the force on charge q2. F12 = N i (b) Find the force on qi F21 =1 Ni (c) what would your answers for parts (a) and (b) be ifq2 were-6.0 F12- F21 - N i N i Show My Work (Optional) @ 2. 12.5/12.5 points Previous Answers Three point charges are on the x axis: q1 6.0 uC is at x -3.0 m, Three point charges are on the x axis: q1 =-6.0 c is at.-3.0 m, q2-7 C is at the origin, and q 3.3e-2 Ask me anything q2 7 HC is at the origin, and q 3 =-6c is at x = 3.0 m. Find the force on qi N i DD

Explanation / Answer

F=k*q1*q2/r^2

F=9*10^9*8^10-6*6*10^-6/9^2 = 5.33 mN (in all cases)

(a) F12 has positive direction
(b) F21 has negative direction
(c) F12 has negative direction
F21 has positive direction

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