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HW #1 - Charge & Coulomb's Law (2nd Chance)

HW #1 - Charge & Coulomb's Law (2nd Chance) -...

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Unformatted text preview: MasteringPhysics: Assignment Print View Problem 25.2 A plastic rod is charged to Part A How many electrons have been added or protons removed? ANSWER: 1.251011 particles by rubbing. Problem 25.3 A 2.50 Part A What fraction of its electrons have been removed? ANSWER: 1.2510 -11 -diameter copper ball is charged to 40.0 . Problem 25.14 Part A What is the net electric force on charge A in the figure ? ANSWER: 0 N Problem 25.38 MasteringPhysics: Assignment Print View What is the force Part A on the 1 nC charge? Give your answer as a magnitude. ANSWER: 3.1210 -4 N Problem 25.60 Two 3.0 g spheres on 1.0-m-long threads repel each other after being equally charged. Part A What is the charge ? ANSWER: 746 nC Reading Quiz 25.2 Part A A charge alters the space around it. What is this alteration of space called? ANSWER: Charged plasma Electrophoresis Charge sphere Electric ether Electric field Reading Quiz 25.4 MasteringPhysics: Assignment Print View Part A The electric field of a charge is defined by the force on what kind of particle? ANSWER: An electron A proton A source charge A probe charge ...
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