1.Two identical beads have mass m andcharge q each. Just placed in ahemispherical basin of radius R with andwithout non-conductive walls friction, thebeads move and balance in distance dbetween them.A) Determine the charge q of each bead.B) Determine the load thus required sothat d becomes equal to 2R.(The acceleration of gravity g is assumedto be known.)mdRm

Ans :- Given:-two identical beads if mass m and charge qExplanation:Step 1: calculation of charge q…

Answered: 1. Two identical beads have mass m and…

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

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Chapter5: Electric Charges And Fields

Section: Chapter Questions

Problem 88P: Charge is distributed along the entire x-axis uniform density . How much work does the electric...

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(a) Calculate the number of electrons in a small, electrically neutral silver pin that has a mass of 10.0 g. Silver has 47 electrons per atom, and its molar mass is 107.87 g/mol. (b) Imagine adding electrons to the pin until the negative charge has the very large value 1.00 mC. How many electrons are added for every 109 electrons already present?
A 2.5-g copper penny is given a charge of 4.0109C . (a) How many electrons ale removed from the penny? (b) If no more than one electron is removed from an atom, what percent of the atoms are ionized by this charging process?
Two parallel conducting plates, each of cross-sectional area 400 cm2, are 2.0 cm apart and uncharged. If 1.01012 electrons are transferred from one plate to the other, what are (a) the charge density on each plate? (b) The electric field between the plates?
D2.2. A charge of -0.3 µC is located at A(25, -30, 15) (in cm), and a second charge of 0.5 µC is at B(-10, 8, 12) cm. Find E at: (a) the origin; (b) P(15, 20, 50) cm. Ans. 92.3ax - 77.6ay - 94.2az kV/m; 11.9ax -0.519ay + 12.4a₂ kV/m
A dnc Bint charge is located at Pint (x=7;Y=0; 7=0). An in fmite sheet of chasze with suface 1onc/ma s hocated at x=10 plne An in fnite ine chage is foacated at stould be line chadage charge denits X = 3; Y20. what e deuitu s0 that elatite fiell intemity ľ ca zebo at paint (x=3;Y=0;7=0)?
A metal-coated table tennis ball with a mass of 2.1 g is suspended by an insulating thread. A similar tabletennis ball touches the first, giving each ball an equal negative charge. When the two balls are separatedhorizontally by 5.0 cm, the string hangs at 15 with respect to the vertical. Determine approximately how manyexcess electrons are on each table tennis ball.
for C=Q/V why did you use the stored energy number (0.40pJ) for Q if Q is in coulombs so wouldnt you use the value for the top plate charge which is (0.53pC) instead. Also how did you convert your units because if Area is in 400mm2 and the SI unit for that is m2 wouldnt it be 0.4m2?
Document MICIOsoft WorO iew View Developer AaBbCcDc AaBbCcDc AaBbC AaBbCc A aB AaBbCc. I Normal T No Spaci.. Heading 1 Heading 2 Title Subtitle Paragraph Styles USING GAUSS LAW, PROVETHAT THE ELECTRIC FIELD AT VERY CLOSE POINTFROM A CHARGED CONDUCTOR GIVEN BY THIS RELATION :E =
Question 14 Save this response. The port charges in the figure below have the following values: gf = 20 µC, 92-30 pCq3= -2.0 µC Asume that charge is at the orgn and 3 les on the positive x-axis. Given that the distance d in the figure is 4.10 cm, find the magnitude and direction of the net estat fe exerted on the point charge 2 For the targe A1410 PC or AUT
Question 3 A -5.0 C Ccharge is 10 m From a small test charge. (a) What is the direction OF the electric field ? bi What is the magnitude of the force experienced bouy 1.0nC charge placed ct the location f the test charge? (Ci At what pcint un a line joining the tuo chardes is the electric Fiekel zero ? ) Determine how much energy is required ta place three charges, each of -2.0MC, Gt the corners of an equilateral trange of side a.0 em?
The two conductive spheres, the smaller and the larger, have R and 2R rays. Their measures are distant fromeach other to the distance d1 = 12R. The smaller ball was charged with 2q charges and the larger 7q charges were measured,that they repel with the force F1 = 140 N. Calculate the repulsion force F2, if the balls zewe touch each other and then spread it to the distance d2 = 2d1?Tip: the moment the balls touched, the load arrived and the balance was established whenthe electrical potential on the surface of both spheres was the same.
(a) Two protons in a molecule are 4.40 × 10 -10 m apart. Find the electric force exerted by one proton on the other. magnitude What is the equation for the electrical force acting between two charged objects? N direction repulsive (b) State how the magnitude of this force compares with the magnitude of the gravitational force exerted by one proton on the other. Fe %D F. What is the mass of a proton? (c) What must be a particle's charge-to-mass ratio if the magnitude of the gravitational force between two of these particles is equal to the magnitude of electric force between them? С/kg

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