Homework Help: physics

Posted by ann on Tuesday, December 20, 2011 at 5:58pm.

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 - drwls, Tuesday, December 20, 2011 at 8:59pm
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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