You observe a neutral ball hanging from a string. A strong negatively charged object is placed directly to the right of the ball. Which picture best represents the charge distribution on the ball? ++ + - + + + + + + + + + A B היייי

Answered: X https://porta x B 3.2 Explorir g x Learning ac x Learning ac x .content-service.brightspace.com ScormEngineinterface defauitui/player/modlem.html?configuration=88030417-4 3. Examine the charge distribution in the diagram below. 4.0x10:5 q3 24cm q1 q2 +) 24cm 2. 5 5. a. Determine the net force charge acting at g1 (+ 2.0 x 10 C), caused by q2 (- 4.0 x 10 C) and g3 (-4.0 x 10 C) Be sure to include a free body diagram 5. representing the force acting at q1 in your solution. b. Determine the net electric field acting at q1

The charge in the bottom right corner of the figure is Q = -90 nC. What is the magnitude of the electrical force on Q?

In the figure, the point charges are located at the corners of an equilateral triangle 29 cm on a side. What is the direction of the force on qa in degrees above the negative x-axis with origin at qa?

Thin glass rod y Thin plastic disk In the figure shown above, a thin plastic disk of radius 0.6 m is uniformly charged with Qdisk = -3 × 10-7 C and is attached to a thin glass rod of length 2.4 m that is uniformly charged with Qrod = 5 x 10-8 C. The center of the rod and the center of disk are at the origin. The rod lies along the x axis and the disk lies in the yz plane. What is the (vector) electric field at location (0.02, 0.01, 0)m? value of €0 the Given that 8.85 x 10-12 C2/N.m². 1. (52400, -14900, 0) N/C 2. (37500, -52400,0)N/C 3. (-22600, 14900, 0) N/C 4. (-37500, 14900, 0)N/C 5. (-22600, -37500, 0)N/C 6. (-52400, 37500, 0) N/C 7. (37500, -14900, 0) N/C 8. (-14900, -22600, 0)N/C 9. (14900, -37500, 0) N/C 10. (-14900, 37500, 0) N/C

pts Four charges are arranged at the corners of a square of side length, L = 39.00 cm. All four charges have the same magnitude q = 3.00 nC but the lower right charge is negative. Find the magnitude of the electric field at the center of the square in N/C. Round to the nearest whole number (no decimal places). Solution: N/C

Consider the following sequence of events: 1. You rub a glass stirring rod with a silk cloth, giving the glass rod a positive charge. 2. Your friend holds an aluminum measuring cup in her bare hand, touching the metal. 3. Your friend puts the aluminum cup down on a rubber mat. 4. You bring the glass rod near the right side of the aluminum cup, but not close enough to touch. 5. While you hold the glass rod near the right side of the aluminum cup, your friend touches the left side of the cup with her finger, then moves her finger away. 6. You move the glass rod away from the cup. Which statements about the process are true? O In step 4, protons flow from the aluminum cup onto the rubber mat. O At the end of step 2 the cup may have been strongly charged. O After step 6, the aluminum cup has a net negative charge. O Since the glass rod does not touch the cup in steps 4 thorough 6, the cup is still neutral after step 6. O At the end of step 4 the aluminum cup is polarized. O In step 5…

Two positive charges, each of magnitude q, are on the y-axis at points y= ta and y=-a Where would a third positive charge of the same magnitude be located for the net force on the third charge to be zero? a. at the origin b. at y= 2a c. at y=-2a d. at y= -a

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