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The Figure Shows a Group of Three Particles, All of Which

question 77

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The figure shows a group of three particles, all of which have charge Q=8.8nCQ = 8.8 \mathrm { nC } . How much work did it take to assemble this group of charges if they all started out extremely far from each other? (k( k =1/4πε0=9.0×109 Nm2/C2) \left. = 1 / 4 \pi \varepsilon _ { 0 } = 9.0 \times 10 ^ { 9 } \mathrm {~N} \cdot \mathrm { m } ^ { 2 } / \mathrm { C } ^ { 2 } \right)
3.0 cm3.0 \mathrm {~cm}
 The figure shows a group of three particles, all of which have charge  Q = 8.8 \mathrm { nC } . How much work did it take to assemble this group of charges if they all started out extremely far from each other?  ( k   \left. = 1 / 4 \pi \varepsilon _ { 0 } = 9.0 \times 10 ^ { 9 } \mathrm {~N} \cdot \mathrm { m } ^ { 2 } / \mathrm { C } ^ { 2 } \right)    3.0 \mathrm {~cm}     A)   5.9 \times 10 - 5 \mathrm {~J}  B)   5.7 \times 10 ^ { - 5 } \mathrm {~J}  C)   6.2 \times 10 ^ { - 5 } \mathrm {~J}  D)   5.5 \times 10 - 5 \mathrm {~J}

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