Problem 23.1QQ: Three objects are brought close to each other, two at a time. When objects A and B are brought... Problem 23.2QQ: Three objects are brought close to one another, two at a time. When objects A and B are brought... Problem 23.3QQ: Object A has a charge of +2 C, and object B has a charge of +6 C. Which statement is true about the... Problem 23.4QQ: A test charge of +3 C is at a point P where an external electric field is directed to the right and... Problem 23.5QQ: Rank the magnitudes of the electric field at points A, B, and C shown in Figure 22.18 (greatest... Problem 23.1OQ: A free electron and a free proton are released in identical electric field. (i) How do the... Problem 23.2OQ Problem 23.3OQ: A very small ball has a mass of 5.00 103 kg and a charge of 4.00 C. What magnitude electric field... Problem 23.4OQ: An electron with a speed of 3.00 106 m/s moves into a uniform electric field of magnitude 1.00 103... Problem 23.5OQ: A point charge of 4.00 nC is located at (0, 1.00) m. What is the x component of the electric field... Problem 23.6OQ: A circular ring of charge with radius b has total charge q uniformly distributed around it. What is... Problem 23.7OQ: What happens when a charged insulator is placed near an uncharged metallic object? (a) They repel... Problem 23.8OQ: Estimate the magnitude of the electric field due to the proton in a hydrogen atom at a distance of... Problem 23.9OQ: (i) A metallic coin is given a positive electric charge. Does its mass (a) increase measurably, (b)... Problem 23.10OQ: Assume the charged objects in Figure OQ23.10 are fixed. Notice that there is no sight line from the... Problem 23.11OQ: Three charged particles are arranged on corners of a square as shown in Figure OQ23.11, with charge... Problem 23.12OQ: Two point charges attract each other with an electric force of magnitude F. If the charge on one of... Problem 23.13OQ: Assume a uniformly charged ring of radius R and charge Q produces an electric field Ering at a point... Problem 23.14OQ: An object with negative charge is placed in a region of space where the electric field is directed... Problem 23.15OQ: The magnitude of the electric force between two protons is 2.30 10-26 N. How far apart are they?... Problem 23.1CQ: (a) Would life be different if the electron were positively charged and the proton were negatively... Problem 23.2CQ: A charged comb often attracts small bits of dry paper that then fly away when they touch the comb.... Problem 23.3CQ: A person is placed in a large, hollow, metallic sphere that is insulated from ground. If a large... Problem 23.4CQ: A student who grew up in a tropical country and is studying in the United States may have no... Problem 23.5CQ: If a suspended object A is attracted to a charged object B, can we conclude that A is charged?... Problem 23.6CQ: Consider point A in Figure CQ23.6 located an arbitrary distance from two positive point charges in... Problem 23.7CQ: In fair weather, there is an electric field at the surface of the Earth, pointing down into the... Problem 23.8CQ: Why must hospital personnel wear special conducting shoes while working around oxygen in an... Problem 23.9CQ: A balloon clings to a wall after it is negatively charged by rubbing. (a) Does that occur because... Problem 23.10CQ: Consider two electric dipoles in empty space. Each dipole has zero net charge. (a) Does an electric... Problem 23.11CQ: A glass object receives a positive charge by rubbing it with a silk cloth. In the rubbing process,... Problem 23.1P: Find to three significant digits the charge and the mass of the following particles. Suggestion:... Problem 23.2P: (a) Calculate the number of electrons in a small, electrically neutral silver pin that has a mass of... Problem 23.3P: Two protons in an atomic nucleus are typically separated by a distance of 2 1015 m. The electric... Problem 23.4P: A charged particle A exerts a force of 2.62 N to the right on charged particle B when the particles... Problem 23.5P: In a thundercloud, there may be electric charges of +40.0 C near the top of the cloud and 40.0 C... Problem 23.6P: (a) Find the magnitude of the electric force between a Na+ ion and a Cl ion separated by 0.50 nm.... Problem 23.7P: Review. A molecule of DNA (deoxyribonucleic acid) is 2.17m long. The ends of the molecule become... Problem 23.8P: Nobel laureate Richard Feynman (19181088) once said that if two persons stood at arms length from... Problem 23.9P: A 7.50-nC point charge is located 1.80 m from a 4.20-nC point charge. (a) Find the magnitude of the... Problem 23.10P: (a) Two protons in a molecule are 3.80 10-10 m apart. Find the magnitude of the electric force... Problem 23.11P: Three point charges are arranged as shown in Figure P23.11. Find (a) the magnitude and (b) the... Problem 23.12P: Three point charges lie along a straight line as shown in Figure P22.10, where q1 = 6.00 C, q2 =1.50... Problem 23.13P: Two small beads having positive charges q1 = 3q and q2 = q are fixed at the opposite ends of a... Problem 23.14P: Two small beads having charges q1 and q2 of the same sign are fixed at the opposite ends of a... Problem 23.15P: Three charged panicles are located at the corners of an equilateral triangle as shown in Figure... Problem 23.16P: Two small metallic spheres, each of mass m = 0.200 g, are suspended as pendulums by light strings of... Problem 23.17P: Review. In the Bohr theory of the hydrogen atom, an electron moves in a circular orbit about a... Problem 23.18P: Particle A of charge 3.00 104 C is at the origin, particle B of charge 6.00 104 C is at (4.00 m,... Problem 23.19P: A point charge +2Q is at the origin and a point charge Q is located along the x axis at x = d as in... Problem 23.20P: Review. Two identical particles, each having charge +q, are fixed in space and separated by a... Problem 23.21P: Two identical conducting small spheres are placed with their centers 0.300 m apart. One is given a... Problem 23.22P: Why is the following situation impossible? Two identical dust particles of mass 1.00 g are floating... Problem 23.23P: What are the magnitude and direction of the electric field that will balance the weight of (a) an... Problem 23.24P: A small object of mass 3.80 g and charge 18.0 C is suspended motionless above the ground when... Problem 23.25P: Four charged particles are at the corners of a square of side a as shown in Figure P23.25. Determine... Problem 23.26P: Three point charges lie along a circle of radius r at angles of 30, 150, and 270 as shown in Figure... Problem 23.27P: Two equal positively charged particles are at opposite corners of a trapezoid as shown in Figure... Problem 23.28P: Consider n equal positively charged particles each of magnitude Q/n placed symmetrically around a... Problem 23.29P: In Figure P23.29, determine the point (other than infinity) at which the electric field is zero. Problem 23.30P: Three charged particles are at the corners of an equilateral triangle as shown in Figure P23.15. (a)... Problem 23.31P: Three point charges are located on a circular arc as shown in Figure P22.19. (a) What is the total... Problem 23.32P: Two charged particles are located on the x axis. The first is a charge +Q at x = a. The second is an... Problem 23.33P: A small, 2.00-g plastic ball is suspended by a 20.0-cm-long siring in a uniform electric field as... Problem 23.34P: Two 2.00-C point charges are located on the x axis. One is at x = 1.00 m, and the other is at x =... Problem 23.35P: Three point charges are arranged as shown in Figure P22.21. (a) Find the vector electric field that... Problem 23.36P: Consider the electric dipole shown in Figure P22.22. Show that the electric field at a distant point... Problem 23.37P: A rod 14.0 cm long is uniformly charged and has a total charge of 22.0C. Determine (a) the magnitude... Problem 23.38P: A uniformly charged disk of radius 35.0 cm carries charge with a density of 7.90 10-3 C/m2.... Problem 23.39P: A uniformly charged ring of radius 10.0 cm has a total charge of 75.0 C. Find the electric field on... Problem 23.40P: The electric field along the axis of a uniformly charged disk of radius R and total charge Q was... Problem 23.41P: Example 23.3 derives the exact expression for the electric field at a point on the axis of a... Problem 23.42P: A uniformly charged rod of length L and total charge Q lies along the x axis as shown in Figure... Problem 23.43P: A continuous line of charge lies along the x axis, extending from x = +x0 to positive infinity. The... Problem 23.44P: A thin rod of length and uniform charge per unit length lies along the x axis as shown in Figure... Problem 23.45P: A uniformly charged insulating rod of length 14.0 cm is bent into the shape of a semicircle as shown... Problem 23.46P: (a) Consider a uniformly charged, thin-walled, right circular cylindrical shell having total charge... Problem 23.47P: A negatively charged rod of finite length carries charge with a uniform charge per unit length.... Problem 23.48P: A positively charged disk has a uniform charge per unit area as described in Example 23.3. Sketch... Problem 23.49P: Figure P23.49 shows the electric field lines for two charged particles separated by a small... Problem 23.50P: Three equal positive charges q are at the corners of an equilateral triangle of side a as shown in... Problem 23.51P: A proton accelerates from rest in a uniform electric field of 640 N/C. At one later moment, its... Problem 23.52P: A proton is projected in the positive x direction into a region of a uniform electric field E =... Problem 23.53P: An electron and a proton are each placed at rest in a uniform electric field of magnitude 520 N/C.... Problem 23.54P: Protons are projected with an initial speed vi = 9.55 km/s from a field-free region through a plane... Problem 23.55P: The electrons in a particle beam each have a kinetic energy K. What are (a) the magnitude and (b)... Problem 23.56P: Two horizontal metal plates, each 10.0 cm square, are aligned 1.00 cm apart with one above the... Problem 23.57P: A proton moves at 4.50 105 m/s in the horizontal direction. It enters a uniform vertical electric... Problem 23.58AP: Three solid plastic cylinders all have radius 2.50 cm and length 6.00 cm. Find the charge of each... Problem 23.59AP: Consider an infinite number of identical particles, each with charge q, placed along the x axis at... Problem 23.60AP: A particle with charge 3.00 nC is at the origin, and a particle with negative charge of magnitude Q... Problem 23.61AP: A small block of mass m and charge Q is placed on an insulated, frictionless, inclined plane of... Problem 23.62AP: A small sphere of charge q1 = 0.800 C hangs from the end of a spring as in Figure P22.32a. When... Problem 23.63AP: A line of charge starts at x = +x0 and extends to positive infinity. The linear charge density is =... Problem 23.64AP: A small sphere of mass m = 7.50 g and charge q1 = 32.0 nC is attached to the end of a string and... Problem 23.65AP: A uniform electric field of magnitude 640 N/C exists between two parallel plates that are 4.00 cm... Problem 23.66AP: Two small silver spheres, each with a mass of 10.0 g, are separated by 1.00 m. Calculate the... Problem 23.67AP: A charged cork ball of mass 1.00 g is suspended on a light string in the presence of a uniform... Problem 23.68AP: A charged cork ball of mass m is suspended on a light string in the presence of a uniform electric... Problem 23.69AP: Three charged particles are aligned along the x axis as shown in Figure P22.35. Find the electric... Problem 23.70AP: Two point charges qA = 12.0 C and qB = 45.0 C and a third particle with unknown charge qC are... Problem 23.71AP: A line of positive charge is formed into a semicircle of radius R = 60.0 cm as shown in Figure... Problem 23.72AP: Four identical charged particles (q = +10.0 C) are located on the corners of a rectangle as shown in... Problem 23.73AP: Two small spheres hang in equilibrium at the bottom ends of threads, 40.0 cm long, that have their... Problem 23.74AP: Why is the following situation impossible? An electron enters a region of uniform electric field... Problem 23.75AP: Review. Two identical blocks resting on a frictionless, horizontal surface are connected by a light... Problem 23.76AP: Review. Two identical blocks resting on a frictionless, horizontal surface are connected by a light... Problem 23.77AP: Three identical point charges, each of mass m = 0.100 kg, hang from three strings as shown in Figure... Problem 23.78AP: Show that the maximum magnitude Emax of the electric field along the axis of a uniformly charged... Problem 23.79AP: Two hard rubber spheres, each of mass m = 15.0 g, are rubbed with fur on a dry day and are then... Problem 23.80AP: Two identical beads each have a mass m and charge q. When placed in a hemispherical bowl of radius R... Problem 23.81AP: Two small spheres of mass m are suspended from strings of length that are connected at a common... Problem 23.82AP: Review. A negatively charged particle q is placed at the center of a uniformly charged ring, where... Problem 23.83AP: Review. A 1.00-g cork ball with charge 2.00 C is suspended vertically on a 0.500-m-long light string... Problem 23.84CP: Identical thin rods of length 2a carry equal charges +Q uniformly distributed along their lengths.... Problem 23.85CP: Eight charged panicles, each of magnitude q, are located on the corners of a cube of edge s as shown... Problem 23.86CP: Consider the charge distribution shown in Figure P23.85. (a) Show that the magnitude of the electric... Problem 23.87CP: Review. An electric dipole in a uniform horizontal electric field is displaced slightly from its... Problem 23.88CP: Inez is putting up decorations for her sisters quinceaera (fifteenth birthday party). She ties three... Problem 23.89CP: A line of charge with uniform density 35.0 nC/m lies along the line y = 15.0 cm between the points... Problem 23.90CP: A particle of mass m and charge q moves at high speed along the x axis. It is initially near x = ,... Problem 23.91CP: Two particles, each with charge 52.0 nC, are located on the y axis at y = 25.0 cm and y = 25.0 cm.... format_list_bulleted
