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929з-d2

Question

Three point charges lie along a straight line as shown in the figure below, where q1 = 5.64 µC, q2 = 1.38 µC, and q3 = -1.9 µC. The separation distances are d1 = 3.00 cm and d2 = 2.00 cm. Calculate the magnitude and direction of the net electric force on each of the charges.

92
9з
-d2
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92 9з -d2

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Step 1

The magnitude of the force on first charge is,

йq9, kg9,
2
10s.64x101.9x10*)
(0.05)
x10°)(5.64x10*)(1.38x10*)
(0.03)
39.25 N
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йq9, kg9, 2 10s.64x101.9x10*) (0.05) x10°)(5.64x10*)(1.38x10*) (0.03) 39.25 N

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Step 2

The magnitude of the force on second charge is,

tgя tад,
+
[(9x10"1.38x10*(564x10*)]. [(ox10°)(1,8x10*(19x10*)]
(0.02)
(0.03)
136.83 N
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tgя tад, + [(9x10"1.38x10*(564x10*)]. [(ox10°)(1,8x10*(19x10*)] (0.02) (0.03) 136.83 N

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Step 3

The magnitude of the force ...

[(9x10*(19x10*)(5,64x10*)| [(9x10°)(1,9x10*\{1.38
(0.02)
(0.05)
=9757 N
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[(9x10*(19x10*)(5,64x10*)| [(9x10°)(1,9x10*\{1.38 (0.02) (0.05) =9757 N

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Tagged in

Science

Physics

Electric Charges and Fields

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