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A small charged sphere is attached to a thread and placed in an electric field. The other end of the thread is anchored so that when placed in the field the sphere is in a static situation (all the forces on the sphere cancel). If the thread is horizontal, find the magnitude and direction of the electric field. The sphere has a mass of 0.018 kg and contains a charge of + 6.80 x 103 C. The tension in the thread is 6.57 x 10-2 N. Show your work and/or explain your reasoning. (20 pts)

Respuesta :

Answer:

[tex]E = 9.66\times 10^{-6} N/C[/tex]

direction is Horizontal

Explanation:

As we know that the string is horizontal here

so the tension force in the string is due to electrostatic force on it

now we will have

[tex]F = qE[/tex]

so here the force is tension force on it

[tex]F = 6.57 \times 10^{-2} N[/tex]

[tex] Q = 6.80 \times 10^3 C[/tex]

now we have

[tex]6.57 \times 10^{-2} = (6.80 \times 10^3)E[/tex]

[tex]E = 9.66\times 10^{-6} N/C[/tex]

direction is Horizontal

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