Three charged particles are located at the corners of an equilateral triangle as
ID: 2274088 • Letter: T
Question
Three charged particles are located at the corners of an equilateral triangle as shown in the figure below (let q = 1.80
Three charged particles are located at the corners of an equilateral triangle as shown in the figure below (let q = 1.80 muC, and L = 0.430 m). Calculate the total electric force on the 7.00-muC charge. Three charged particles are located at the corners of an equilateral triangle as shown in the figure below (let q = 1.80 muC, and L = 0.430 m). Calculate the total electric force on the 7.00-muC charge.Explanation / Answer
a)
Fx = 8.99e9 * 4e-6 * 7e-6/(0.430*0.430) + 8.99e9 * 1.80e-6 * 7e-6/(0.430*0.430)
==> Fx = 0.98700 N
Fy = -8.99e9 * 4e-6 * 7e-6/(0.430*0.430) + 8.99e9 * 1.80e-6 * 7e-6/(0.430*0.430)
==> Fy = -0.64845 N
F = sqrt(0.98700*0.98700+0.64845*0.64845) = 1.18 N
b)
theta = 360 - arctan(0.64845/0.98700) = 327 degrees
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