Common static electricity involves charges ranging from nanocoulombs to microcoulombs. (a) How many electrons are needed to form a charge of −9.10 nC? electrons (b) How many electrons must be removed from a neutral object to leave a net charge of 0.520 µC? electrons
Common static electricity involves charges ranging from nanocoulombs to microcoulombs. (a) How many electrons are needed to form a charge of −9.10 nC? electrons (b) How many electrons must be removed from a neutral object to leave a net charge of 0.520 µC? electrons
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
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Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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1.
Common static electricity involves charges ranging from nanocoulombs to microcoulombs.
(a)
How many electrons are needed to form a charge of
−9.10 nC?
electrons
(b)
How many electrons must be removed from a neutral object to leave a net charge of
0.520 µC?
electrons
2. What net charge would you place on a 412 g piece of sulfur if you put an extra electron on 1 in 1012 of its atoms? (Sulfur has an atomic mass of 32.1.)
4. What is the repulsive force between two pith balls that are 10.0 cm apart and have equal charges of −39.0 nC?-------N
6.How far apart (in mm) must two point charges of 65.0 nC (typical of static electricity) be to have a force of 5.50 N between them?
7. a.What is the direction of this force (away from or toward the +6 µC charge)?
away from the +6 µC chargetoward the +6 µC charge
---------mm
A test charge of +9 µC is placed halfway between a charge of +6 µC and another of +7 µC separated by 17 cm.
(b)
What is the magnitude of the force (in N) on the test charge?------N
9.
Calculate the magnitude (in N/C) of the electric field 2.30 m from a point charge of 3.50 mC (such as found on the terminal of a Van de Graaff).
--------N/CExpert Solution
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