Electric Forces and Electric Fields
103 videos • 277,192 views • by WNY Tutor
Solutions to Serway and Halliday Physics Textbook Questions.
1
Three point charges are located at the corners of an equilateral triangle as in Figure P15.13. Find
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2
Four point charges are at the corners of a square of side a as shown in Figure P15.8. Determine the
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3
calculate the magnitude of the electric field at the center of a square
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4
Calculate the magnitude and direction of the Coulomb force on each of the three charges shown in Fig
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5
Two small metallic spheres, each of mass m = 0.20 g, are suspended as pendulums by light strings fro
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6
Three charges are at the corners of an equilateral triangle, as shown in the figure below. Calculate
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7
Determine the point other than infinity at which the total electric field is zero.
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8
Three identical point charges each of charge q are located at the vertices
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9
in the figure four particles form a square
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10
Three charges are arranged as shown
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11
In the figure particle 1 of charge
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12
Three point charges are aligned along the x-axis as shown in the figure below. Find the electric fie
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13
In the figure the four particles form a square of edge length
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14
Two identical conducting spheres fixed in place attract each other with an electrostatic force of
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15
a thin glass rod forms a semicircle of radius r
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16
Four point charges are located at the corners of a square
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17
in the figure two tiny conducting balls of identical mass
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18
Three point charges are located on a circular arc as shown in the figure below. (a) What is the tota
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19
Four charged particles are at the corners of a square of side a
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20
An electron enters a region of uniform electric field with an initial velocity of
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21
What is the magnitude of the dipole’s electric field at point P
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22
A small plastic ball of mass m=2.00 g is suspended
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23
The figure shows two charged particles on an x axis
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24
Three charged particles lie on an x axis. Particles 1 and 2 are fixed in place. Particle 3 is free t
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25
In the figure two curved plastic rods, one of charge +q and the other of charge -q
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26
We have an equilateral triangle each of whose sides is 1 m in length
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27
Three point charges, A = 2.10 µC, B = 7.30 µC, and C = -3.80 µC, are located at the corners of an eq
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28
Two particles are fixed to an x axis
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29
In the figure the four particles are fixed in place and have charges
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30
A proton is released from rest in a uniform electric field of magnitude 385 N/C. Find (a) the electr
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31
A charge of 1.70 x 10 2 μC is at the center of a cube of edge
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32
The charges and coordinates of two charged particles held fixed in an xy plane are q1 = +3.0 µC, x1
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33
The figure shows three circular arcs centered at the origin of a coordinate system
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34
A uniform electric field exists in a region between two oppositely charged plates. An electron is re
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35
Two 2.0 g spheres are suspended by 10.0-cm-long light strings. A uniform electric field is applied i
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36
In the figure the three particles are fixed in place and have charges
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37
Two concentric rings of radii r and r'
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38
In the figure a nonconducting rod of length
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39
A small sphere of mass m = 7.50 g and charge q1 = 32.0 nC is attached to the end of a string and han
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40
Three particles are fixed on an x axis. Particle 1 of charge q1 is at x = -a, and particle 2 of char
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41
Two equal charges are placed at each of the two opposite corners of a square
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42
Three identical charges (q = -5.0 µC) lie along a circle of radius 2.0 m at angles of 30°, 150°, and
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43
An electric field of intensity 3.50 kn/c is applied along the x-axis
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44
Of the charge Q initially on a tiny sphere, a portion q is to be transferred to a second, nearby sph
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45
Two particles are fixed to an x axis
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46
Suppose you design an apparatus in which a uniformly charged
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47
Determine the electric field strength at a point 1.00 cm to the left
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48
A small object of mass 3.80 g and charge -18 µC is suspended motionless above the ground when immers
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49
A proton accelerates from rest in a uniform electric field of 640 n/c
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50
Two large parallel copper plates are
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51
A molecule of DNA (deoxyribonucleic acid) is 2.17 µm long. The ends of the molecule become singly io
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52
The figure shows an uneven arrangement of electrons (e) and protons (p) on a circular arc of radius
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53
Two small beads having positive charges
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54
A charged particle a exerts a force of
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55
Two equal positive charges, both q = 2.0 × 10^–6 C
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56
An electron is to be released from rest on the central axis
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57
In the figure particle 1 of charge q and particle 2 of charge 4q
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58
Two equal positive charges are at opposite corners of a trapezoid
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59
The figure below shows a long nonconducting massless rod of length
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60
A very large nonconducting plate lying in the xy-plane carries a charge
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61
In the figure what are the a magnitude and b direction
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62
A charge -300e is uniformly distributed along a circular arc
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63
What are the strength and direction of the electric field at the position
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64
A point charge +2Q is at the origin
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65
What is the force f on the 1.0 nc charge
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66
Figure (a) shows charged particles 1 and 2 that are fixed in place on an x axis
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67
A particle of charge Q is fixed at the origin of an xy coordinate system. At t = 0 a particle (m = 0
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68
A charged nonconducting rod, with a length of 2.00 m and a cross-sectional area of 4.00 cm^2, lies
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69
A small sphere of charge q=+68 and mass
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70
Identical isolated conducting spheres
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71
A small block of mass m and charge q is placed on an insulated
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72
Two particles are fixed on an x axis. particle 1 of charge 40
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73
at what distance along the central perpendicular axis
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74
A charged water droplet of radius
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75
A circular plastic disk with radius r 2.00
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76
An oil drop whose mass is determined to be
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77
Three identical point charges each of mass m = 0.100 kg
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78
What is the force f on the 1.0 nc charge
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79
Figure a shows an arrangement of three charged particles separated by distance d
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80
A particle with charge q = +2e and mass m = 8.9×10-26 kg is injected horizontally
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81
In the figure particle 1 of charge +4e is above a floor
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82
A uniform electric field of magnitude e = 435 n/c
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83
A charge of 50 µC is placed on the y axis at y = 3.0 cm and a 77-µC charge is placed on the x axis a
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84
Two balloons have equal and opposite charges
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85
A certain electric dipole is placed
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86
Two equally charged particles are held
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87
Protons are projected with an initial speed
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88
In the figure particles 1 and 2 are fixed in place on an x axis
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89
Three charged particles form a triangle
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90
Find the value of x so the net force on the electron is zero.
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91
A point charge +2q is at the origin and a point charge -q
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92
Two identical metal blocks resting on a frictionless horizontal surface
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93
In deep space two spheres each of radius
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94
The dome of a Van de Graaff generator receives a charge
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95
The nucleus of be which consists of 4 protons
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96
A spherical water drop 1.20
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97
An electron with a speed of 5.00 x 10^8 cm/s
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98
Three particles each with positive charge q form an equilateral triangle
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99
Two hard rubber spheres each of mass m=15.0 g
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100
A 1.00 g cork ball having
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101
In the figure above eight particles form a square
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102
What is the force on the charge in newtons
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103
A charge lies on a string that is stretched
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