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Q1_230p2 - 2(7 pts Two tiny conducting spheres are...

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Unformatted text preview: 2. (7 pts) Two tiny conducting spheres are identical and carry charges of q1 = -25 .0 uC and q2 = +550 uC. The spheres are brought into contact and then separated to a distance of 2.50 cm. Determine the magnitude and direction of the force on each charge and state Whether the force is attractive or repulsive. Explain ‘ 3. (7 pts) A tiny ball (mass = 0.006 kg) carries a charge of -9 HO. What electric field (magnitude and direction) is needed to cause the ball to float abovethe ground:bE W P (bf) %La Wfifi’e (Q3. EM {405% ODE L ”“3 Magnitude of field: 6 533 NA:— Direction of field: 2% am ...
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