 21.1DQ: If you peel two strips of transparent tape off the same roll and im...
 21.1E: Excess electrons are placed on a small lead sphere with mass 8.00 g...
 21.2DQ: Two metal spheres are hanging from nylon threads. When you bring th...
 21.2E: Lightning occurs when there is a flow of electric charge (principal...
 21.3DQ: The electric force between two charged particles becomes weaker wit...
 21.3E: Estimate how many electrons there are in your body. Make any assump...
 21.4DQ: Your clothing tends to cling together after going through the dryer...
 21.4E: Particles in a Gold Ring. You have a pure (24karat gold ring with ...
 21.5DQ: An uncharged metal sphere hangs from a nylon thread. When a positiv...
 21.5E: BIO Signal Propagation in Neurons. ?Neurons are components of the n...
 21.6DQ: The free electrons in a metal are gravitationally attracted toward ...
 21.6E: Two small spheres spaced 20.0 cm apart have equal charge. How many ...
 21.7DQ: Figure Q21.7 shows some of the electric field lines due to three po...
 21.7E: An average human weighs about 650 N. If each of two average humans ...
 21.8DQ: Good conductors of electricity, such as metals, are typically good ...
 21.8E: Two small aluminum spheres, each having mass 0.0250 kg, are separat...
 21.9DQ: Suppose the charge shown in Fig. 21.28a is fixed in position. A sma...
 21.9E: Two small plastic spheres are given positive electric charges. When...
 21.10DQ: Two identical metal objects are mounted on insulating stands. Descr...
 21.10E: What If We Were Not Neutral? A 75kg person holds out his arms so t...
 21.11DQ: You can use plastic food wrap to cover a container by stretching th...
 21.11E: Two very small 8.55g spheres, 15.0 cm apart from center to center,...
 21.12DQ: If you walk across a nylon rug and then touch a large metal object ...
 21.12E: Just How Strong Is the Electric Force? Suppose you had two small bo...
 21.13DQ: You have a negatively charged object. How can you use it to place a...
 21.13E: In an experiment in space, one proton is held fixed and another pro...
 21.14DQ: When two point charges of equal mass and charge are released on a f...
 21.14E: A negative charge of ?0.550 µC exerts an upward 0.200N force on an...
 21.15DQ: A point charge of mass m and charge Q and another point charge of m...
 21.15E: Three point charges are arranged on a line. Charge q3 = + 5.00 nC a...
 21.16DQ: A proton is placed in a uniform electric field and then released. T...
 21.16E: In Example 21.4, suppose the point charge on the –axis
 21.17DQ: In Example 21.1 (Section 21.3) we saw that the electric
 21.17E: In Example 21.3, calculate the net force on charge q1.
 21.18DQ: What similarities do electric forces have with gravitational forces...
 21.18E: In Example 21.4, what is the net force (magnitude and direction) on...
 21.19DQ: Two irregular objects A and B carry charges of opposite sign. Figur...
 21.19E: Three point charges are arranged along the xaxis. Charge q1 = + 3....
 21.20DQ: Atomic nuclei are made of protons and neutrons. This shows that the...
 21.20E: Repeat Exercise 21.17 for q3 = + 8.00 µC. 21.17 .. Three point char...
 21.21DQ: Sufficiently strong electric fields can cause atoms to become posit...
 21.21E: Two point charges are located on the yaxis as follows: charge q1 =...
 21.22DQ: The electric fields at point P due to the positive charges q1 and q...
 21.22E: Two point charges are placed on the xaxis as follows: Charge q1 = ...
 21.23DQ: The air temperature and the velocity of the air have different valu...
 21.23E: BIO Base Pairing in DNA, I. The two sides of the DNA double helix a...
 21.24E: BIO Base Pairing in DNA, II. Refer to Exercise 21.21. Figure E21.22...
 21.25E: CP A proton is placed in a uniform electric field of 2.75 X 103 N/C...
 21.26E: A particle has charge ?3.00 nC. (a) Find the magnitude and directio...
 21.28E: CP An electron is released from rest in a uniform electric field. T...
 21.29E: (a) What must the charge (sign and magnitude) of a 1.45g particle ...
 21.30E: A point charge is placed at each corner of a square with side lengt...
 21.31E: Two point charges are separated by 25.0 cm (Fig. E21.43). Find the ...
 21.32E: Electric Field of the Earth. The earth has a net electric charge th...
 21.33E: CP An electron is projected with an initial speed v0 = 1.60 X 106 m...
 21.34E: Point charge q1 = 5.00 nC is at the origin and point
 21.35E: CP In Exercise 21.29, what is the speed of the electron as it emerg...
 21.36E: (a) Calculate the magnitude and direction (relative to the
 21.37E: If two electrons are each 1.50 X 1010 m from a proton (Fig. E21.45...
 21.38E: A uniform electric field exists in the region between two oppositel...
 21.39E: A point charge is at the origin. With this point charge as the sour...
 21.40E: A +8.75µC point charge is glued down on a horizontal frictionless ...
 21.41E: (a) An electron is moving east in a uniform electric field of 1.50 ...
 21.42E: Two point charges Q and +q (where q is positive) produce the net el...
 21.43E: Two positive point charges q are placed on the xaxis, one at x = a...
 21.44E: The two charges q1 and q2 shown in Fig. E21.38 have equal magnitude...
 21.45E: A + 2.00nC point charge is at the origin, and a second  5.00nC p...
 21.46E: Repeat Exercise, but now let q1 = ?4.00 nC. Exercise: The two charg...
 21.47E: Three negative point charges lie along a line as shown in Fig. E21....
 21.48E: BIO Electric Field of Axons. A nerve signal is transmitted through ...
 21.49E: In a rectangular coordinate system a positive point charge q = 6.00...
 21.50E: A point charge q1 = 4.00 nC is at the point x = 0.600 m, y = 0.800...
 21.51E: Repeal Exercise, for the case where the point charge at x = +0.150 ...
 21.52E: A very long, straight wire has change per unit length 1.50 × 10?10 ...
 21.53E: A ringshaped conductor with radius a = 2.50 cm has a
 21.54E: A straight, nonconducting plastic wire 8.50 cm long carries a charg...
 21.55E: A charge of 6.50 nC is spread uniformly over the surface of one fa...
 21.56E: The ammonia molecule (NH3) has a dipole moment of 5.0 X 1030 C ? m...
 21.57E: Point charges q1 = 4.5 nC and q2 = +4.5 nC are separated by 3.1 mm...
 21.58E: The dipole moment of the water molecule is
 21.59E: Torque on a Dipole. An electric dipole with dipole moment is in a u...
 21.60E: Consider the electric dipole of Example 21.14. (a) Derive an expres...
 21.61E: Three charges are at the corners of an isosceles triangle as shown...
 21.62E: A dipole consisting of charges ±e, 220 nm apart, is placed between ...
 21.63P: Four identical charges Q are placed at the corners of a square of s...
 21.64P: Two charges are placed on the xaxis: one, of 2.50 µC, at the origi...
 21.65P: Three point charges are arranged along the xaxis Charge q2 = ?4.50...
 21.66P: A charge q1 = +5.00 nC is placed at the origin of an xy coordinate...
 21.67P: Two positive point charges Q are held fixed on the xaxis at x = a ...
 21.68P: CP Two identical spheres with mass m are hung from silk threads of ...
 21.69P: CP Two small spheres with mass m = 15.0 g are hung by silk threads ...
 21.70P: CP Two identical spheres are each attached to silk threads of lengt...
 21.71P: Sodium chloride (NaCl, ordinary table salt) is made up of positive ...
 21.72P: A ?5.00nC point charge is on the xaxis at x = 1.20 m. A second po...
 21.73P: CP A small 12.3g plastic ball is tied to a very light 28.6cm stri...
 21.74P: At t = 0 a very small object with mass 0.400 mg and charge +9.00 µC...
 21.75P: Two particles having charges q1 = 0.500 nC and q2 = 8.00 nC are sep...
 21.76P: Two point charges q1 and q2 are held in place 4.50 cm apart. Anothe...
 21.77P: Three identical point charges q are placed at each of three corners...
 21.78P: Three point charges are placed on the yaxis a charge q at y = a, a...
 21.79P: CP Strength of the Electric Force. Imagine two 1.0g bags of proton...
 21.80P: Electric Force With in the Nucleus. Typical dimensions of atomic nu...
 21.81P: If Atoms Were Not Neutral... Because the charges on the electron an...
 21.82P: CP Two tiny spheres of mass 6.80 mg carry charges of equal magnitud...
 21.83P: CP Consider a model of a hydrogen atom in which an electron is in a...
 21.84P: A small sphere with mass 9.00 µg and charge ?4.30 µC is moving in a...
 21.85P: Two small copper spheres each have radius 1.00 mm (a) How many atom...
 21.86P: Operation of an Inkjet Printer. In an inkjet printer, letter are bu...
 21.87P: CP A proton is projected into a uniform electric field that points ...
 21.88P: A negative point charge q1 = ?4.00 nC is on the xaxis at x = 0.60 ...
 21.89P: CALC Positive charge Q is distributed uniformly along the xaxis fr...
 21.90P: CALC Positive charge Q is distributed uniformly along the positive ...
 21.91P: A charged line like that shown in Fig. 21.24 extends
 21.92P: A Parallel Universe. Imagine a parallel universe in which the elect...
 21.93P: A uniformly charged disk like the disk in Fig. 21.25 has
 21.94P: Electrophoresis. Electrophoresis is a process used by biologists to...
 21.95P: Positive Charge +Q is distributed uniformly along the +xaxis from ...
 21.96P: CP A small sphere with mass m carries a positive charge q and is at...
 21.97P: CALC Negative charge Q is distributed uniformly around a quarterc...
 21.98P: CALC A semicircle of radius a is in the first and second quadrants,...
 21.99P: Two 1.20m nonconducting rods meet at a right angle. One rod carri...
 21.100P: Two very large parallel sheets are 5.00 cm apart. Sheet A carries a...
 21.101P: Repeat the case where sheet B is positive. Problem: Two very large ...
 21.102P: Two very huge horizontal sheets are 4.25 cm apart and carry equal b...
 21.103P: An infinite sheet with positive charge area ? lies in the xyplane....
Solutions for Chapter 21: University Physics 13th Edition
Full solutions for University Physics  13th Edition
ISBN: 9780321675460
Solutions for Chapter 21
Get Full SolutionsChapter 21 includes 125 full stepbystep solutions. This textbook survival guide was created for the textbook: University Physics, edition: 13. Since 125 problems in chapter 21 have been answered, more than 214068 students have viewed full stepbystep solutions from this chapter. University Physics was written by Patricia and is associated to the ISBN: 9780321675460. This expansive textbook survival guide covers the following chapters and their solutions.

//
parallel

any symbol
average (indicated by a bar over a symbol—e.g., v¯ is average velocity)

°C
Celsius degree

°F
Fahrenheit degree
I don't want to reset my password
Need help? Contact support
Having trouble accessing your account? Let us help you, contact support at +1(510) 9441054 or support@studysoup.com
Forgot password? Reset it here