he future people will only enjoy one sport: Electrodisc. In this sport you gain points when you cause metallic discs hovering on a field to exchange charge. You are an Electrodisc player playing the popular four disc variant. The disks have charges of qA = −8.0 µC, qB = −2.0 µC, qC = +5.0 µC, and qD = +12.0 µC. (a) You bring two disks together and then separate them. You measure the resulting charge of these two disks and find that it is +1.5 µC per disk. Which two disks did you bring together? A and B A and C  A and D B and C B and D C and D? (b) You bring three disks together and then separate them. You measure the resulting charge of these three disks and find that it is +5.0 µC per disk. Which three disks did you bring together? A, B, and C A, B, and D A, C, and D B, C, and D (c) Given the resulting charge of each disk measured in (b) is +5.0 µC, how many electrons would you need to add to a disk of this charge to electrically neutralize it?

College Physics
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ISBN:9781305952300
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Chapter1: Units, Trigonometry. And Vectors
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In the future people will only enjoy one sport: Electrodisc. In this sport you gain points when you cause metallic discs hovering on a field to exchange charge. You are an Electrodisc player playing the popular four disc variant. The disks have charges of qA = −8.0 µC, qB = −2.0 µC, qC = +5.0 µC, and qD = +12.0 µC.

(a) You bring two disks together and then separate them. You measure the resulting charge of these two disks and find that it is +1.5 µC per disk. Which two disks did you bring together? A and B A and C  A and D B and C B and D C and D?

(b) You bring three disks together and then separate them. You measure the resulting charge of these three disks and find that it is +5.0 µC per disk. Which three disks did you bring together?
A, B, and C A, B, and D A, C, and D B, C, and D

(c) Given the resulting charge of each disk measured in (b) is +5.0 µC, how many electrons would you need to add to a disk of this charge to electrically neutralize it?

 

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