In figure 198, four charges, q each, are kept fixed on the vertices of a square of side la√2 cm. A charge q=-1,6x10^-19C of mass m=9,1x10^-31 kg moves upwards from the center of the square a small distance of x and then is released. Find the period of its oscillations (neglect the effects of gravity, plus k-9x10^9 Nm^2/C^2, a -10, 1 >>x). a) 6,20 ms 9 9 b) 6,22 ms -q,m a√2 0. Fig.198 c) 6,24 ms ::09 d) 6,26 ms e) 6,28 ms Activar Ve a Confi

In figure 198, four charges, q each, are kept fixed on the vertices of a square of side la√2 cm. A charge q=-1,6x10^-19C of mass m=9,1x10^-31 kg moves upwards from the center of the square a small distance of x and then is released. Find the period of its oscillations (neglect the effects of gravity, plus k-9x10^9 Nm^2/C^2, a -10, 1 >>x). a) 6,20 ms 9 9 b) 6,22 ms -q,m a√2 0. Fig.198 c) 6,24 ms ::09 d) 6,26 ms e) 6,28 ms Activar Ve a Confi

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter24: Electric Fields

Section: Chapter Questions

Problem 54PQ: A uniformly charged ring of radius R = 25.0 cm carrying a total charge of 15.0 C is placed at the...

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A uniformly charged ring of radius R = 25.0 cm carrying a total charge of 15.0 C is placed at the origin and oriented in the yz plane (Fig. P24.54). A 2.00-g particle with charge q = 1.25 C, initially at the origin, is nudged a small distance x along the x axis and released from rest. The particle is confined to move only in the x direction. a. Show that the particle executes simple harmonic motion about the origin. b. What is the frequency of oscillation for the particle? Figure P24.54
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Two charges of magnitude Qı=3×10² C and Q2= -10 C are placed at the points P(1, 2, 3) and Q(2, 0, 5) in vacuum. Compute the force on Q2 due to Qı.
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The friends now try a homework problem. Consider an electron, of charge magnitude e = 1.602 × 10-¹⁹ C and mass me = 9.11 x 10-31 kg, moving in an elect field with an electric field magnitude E = 7 x 10² N/C, similar to what Thana observed in the simulation. Let the leng the plates be L = 50 cm, and the distance between them be d = 20 cm. Find the maximum speed, v, the electron co be moving if it enters the space halfway between and parallel to the two plates to just barely strike one of the plates 7.01e+06 X m/s If the field is pointing upward, which plate will Thana conclude the electron strikes at this speed? The lower plate, because the electron is negatively charged. The lower plate, because the electron is attracted to the negative plate. The upper plate, because we are only considering the magnitude of the electron charge, and magnitudes are always positive. O The upper plate, because the electron charge magnitude is positive.
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electrons Two protons (p) and two (e) are arranged on a circle of 5 [cm], with angles 0₁ = 20°, 0₂ = 60°, 03 = 20° and 04 = 60°, as radius r shown in the figure. (qp = +1.6 x 10-1⁹ [C] and qe = -1.6 × 10-19 [C]). The figure is not to scale. 04 y a. Find Enet, the net electric field vector produced at the center of the circle. Enet =([ ])i + ( ]) Ĵ [N/C] b. Where on the circle should a fifth point charge qo be placed (give its angle relative the +x-axis) and what is its value (calculate qo) in order to have Ēnet (the net electric field at the center of the circle) equals zero (Type the detailed solution to this question in the below box, Show all your calculation steps by typing in the box). Р X