Se Contact attached as well rate sheets in order to obtain full points, his pape

Question

Se Contact attached as well rate sheets in order to obtain full points, his paper must be Total Point: 30 Y. Write your answer on a separate sheet of paper. 1) (5 points) 0.390 m -0.350 HC +0.590 In the above figure, a small spherical insulator of mass 9.00 x 10-2 kg and charge +0.590 uc is hung by a thin wire of negligible mass. A charge of -0.350 HC is held 0.390 m away from the sphere and directly to the right of it, so the wire makes an angle e with the vertical (see drawing). What is the angle e? (k 1/4TEo 9.0 x 109 N m2/c2) parallel plates that are separated by 0.40 cm, with an electrical field with magnitude 680,000 N/C between the

Explanation / Answer

Here ,

for the electric force between the charges

F = 9 *10^9 * 0.350 *10^-6 * 0.590 *10^-6/(0.390^2)

F = 0.0122 N

Fg = 9 *10^-2 * 9.8

Fg = 0.882 N

for the angle

theta = arctan(0.0122/.882)

theta = 0.729 degree

the angle is 0.729 degree

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