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Unformatted text preview: lim (kl9356) Homework 6 Weathers (22202) 1 This print-out should have 16 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. 001 10.0 points At distance r from a point charge q , the elec- tric potential is 935 V and the magnitude of the electric field is 152 N / C. Determine the value of q . Answer in units of C. 002 10.0 points Four identical particles each have charge . 3 C and mass 0 . 02 kg. They are released from rest at the vertices of a square of side . 27 m. How fast is each charge moving when their distances from the center of the square dou- bles? Answer in units of m / s. 003 (part 1 of 4) 10.0 points The electric potential over a certain region of space is given by V = a x 2 y- b x z- c y 2 , where a = 1 V / m 3 , b = 5 V / m 2 , and c = 5 V / m 2 . Find the electric potential at the point ( x, y, z ) = (9 m , 9 m , 7 m). Answer in units of V. 004 (part 2 of 4) 10.0 points Find the x-component of the electric field at the same point. Answer in units of V / m. 005 (part 3 of 4) 10.0 points Find the y-component of the electric field at the same point. Answer in units of V / m. 006 (part 4 of 4) 10.0 points Find the z-component of the electric field at the same point. Answer in units of V / m....
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