zero? Three point charges are arranged along the -axis. Charge q1 = +3.00 µC is at the origin, and charge q2 = -5.00 µC is at x = 0.200 m. Charge q3 = -8.00 µC. Where is q3 located if the net force on q1 is 7.00 N in the -x direction? Two point charges are loocated on the avis as follows: charge a1 - 1 50 C at v - O 600 m and charge o2

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Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
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No. 3 and 4. Answer the following problems below. Show your illustration in each item.

1. Two small plastic spheres are given positive electrical charges. When they 15.0 cm are apart, the repulsive
force between them has magnitude 0.220 N. What is the charge on each sphere (a) if the two charges are equal
and (b) if one sphere has four times the charge of the other?
2. Three point charges are arranged on a line. Charge q3 = +5.00 nC and is at the origin. Charge q2 = -3.00 nC
and is at x = +4.00 cm Charge q1 is at x = +2.00 cm. What is q1 (magnitude and sign) if the net force on q3 is
zero?
3. Three point charges are arranged along the -axis. Charge q1 = +3.00 µC is at the origin, and charge q2 = -5.00
µC is at x = 0.200 m. Charge q3 = -8.00 µC. Where is q3 located if the net force on q1 is 7.00 N in the -x
direction?
4. Two point charges are located on the -axis as follows: charge q1 = -1.50 nC at y = -0.600 m, and charge q2 =
+3.20 nC at the origin (y = 0). What is the total force (magnitude and direction) exerted by these two charges
on a third charge q3 = +5.00 nC located at y = -0.400 m?
%3D
Transcribed Image Text:1. Two small plastic spheres are given positive electrical charges. When they 15.0 cm are apart, the repulsive force between them has magnitude 0.220 N. What is the charge on each sphere (a) if the two charges are equal and (b) if one sphere has four times the charge of the other? 2. Three point charges are arranged on a line. Charge q3 = +5.00 nC and is at the origin. Charge q2 = -3.00 nC and is at x = +4.00 cm Charge q1 is at x = +2.00 cm. What is q1 (magnitude and sign) if the net force on q3 is zero? 3. Three point charges are arranged along the -axis. Charge q1 = +3.00 µC is at the origin, and charge q2 = -5.00 µC is at x = 0.200 m. Charge q3 = -8.00 µC. Where is q3 located if the net force on q1 is 7.00 N in the -x direction? 4. Two point charges are located on the -axis as follows: charge q1 = -1.50 nC at y = -0.600 m, and charge q2 = +3.20 nC at the origin (y = 0). What is the total force (magnitude and direction) exerted by these two charges on a third charge q3 = +5.00 nC located at y = -0.400 m? %3D
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