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physics

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Two 4.0-g spheres are suspended by 9.0-cm-long light strings (see the figure). A uniform electric field is applied in the x-direction. If the spheres have charges of −3. 10-8 C and +3. 10-8 C, determine the electric field intensity that enables the spheres to be in equilibrium at θ = 8°. - ive tried everything please help

  • physics - ,

    Is theta the angle between the spheres or the angle that each sphere string is tilted from vertical?

    It makes a big difference.

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