## Solutions for University Physics (14th Edition)

Problem Q1.1DQ:

How many correct experiments do we need to disprove theory? How many do we need to prove a theory?...Problem Q1.2DQ:

Suppose you are asked to compute the tangent of 5.00 meters. Is this possible? Why or why not?Problem Q1.4DQ:

The U.S. National Institute of Standards and Technology (NIST) maintains several accurate copies of...Problem Q1.5DQ:

What physical phenomena (other than a pendulum or cesium clock) could you use to define a time...Problem Q1.6DQ:

Describe how you could measure the thickness of a sheet of paper with an ordinary ruler.Problem Q1.7DQ:

The quantity = 3.14159... is a number with no dimensions, since it is a ratio of two lengths....Problem Q1.8DQ:

What are the units of volume? Suppose another student tells you that a cylinder of radius r and...Problem Q1.9DQ:

Three archers each fire four arrows at a target. Joes four arrows hit at points 10 cm above, 10 cm...Problem Q1.10DQ:

Is the vector (i+j+k) a unit vector? Is the vector (3.0 2.0) a unit vector? Justify your answers.Problem Q1.11DQ:

A circular racetrack has a radius of 500 m. What is the displacement of a bicyclist when she travels...Problem Q1.12DQ:

Can you find two vectors with different lengths that have a vector sum of zero? What length...Problem Q1.13DQ:

The direction of time is said to proceed from past to future. Does this mean that time is a vector...Problem Q1.14DQ:

Air traffic controllers give instructions called vectors to tell airline pilots in which direction...Problem Q1.15DQ:

Can you find a vector quantity that has a magnitude of zero but components that are not zero?...Problem Q1.16DQ:

(a) Does it make sense to say that a vector is negative? Why? (b) Does it make sense to say that one...Problem Q1.18DQ:

If A and B are nonzero vectors, is it possible for both AB and AB to be zero? Explain.Problem Q1.21DQ:

Figure 1.7 shows the result of an unacceptable error in the stopping position of a train. If a train...Problem Q1.22DQ:

Which of the following are legitimate mathematical operations:...Problem Q1.23DQ:

Consider the vector products A (B C) and (AB)C. Give an example that illustrates the general rule...Problem Q1.24DQ:

Show that, no matter what A and B are, A(AB)=0. (Hint: Do not look for an elaborate mathematical...Problem Q1.25DQ:

(a) If AB=0, does it necessarily follow that A = 0 or B = 0? Explain, (b) If AB=0, does it...Problem Q1.26DQ:

If A=0 for a vector in the xy-plane, does it follow that Ax= Ay? What can you say about Ax and Ay?Problem 1.1E:

Starting with the definition 1 in. = 2.54 cm, find the number of (a) kilometers in 1.00 mile and (b)...Problem 1.2E:

According to the label on a bottle of salad dressing, the volume of the contents is 0.473 liter (L)....Problem 1.3E:

How many nanoseconds does it take light to travel 1.00 ft in vacuum? (This result is a useful...Problem 1.5E:

The most powerful engine available for the classic 1963 Chevrolet Corvette Sting Ray developed 360...Problem 1.6E:

A square field measuring 100.0 m by 100.0 m has an area of 1.00 hectare. An acre has an area of...Problem 1.8E:

While driving in an exotic foreign land, you see a speed limit sign that reads 180,000 furlongs per...Problem 1.9E:

A certain fuel-efficient hybrid car gets gasoline mileage of 55.0 mpg (miles per gallon). (a) If you...Problem 1.10E:

The following conversions occur frequently in physics and are very useful. (a) Use 1 mi = 5280 ft...Problem 1.11E:

Neptunium. In the fall of 2002, scientists at Los Alamos National Laboratory determined that the...Problem 1.12E:

BIO (a) The recommended daily allowance (RDA) of the trace metal magnesium is 410 mg/day for males....Problem 1.13E:

BIO Bacteria. Bacteria vary in size, but a diameter of 2.0 m is not unusual. What are the volume (in...Problem 1.14E:

With a wooden ruler, you measure the length of a rectangular piece of sheet metal to be 12 mm. With...Problem 1.15E:

A useful and easy-to-remember approximate value for the number of seconds in a year is 107....Problem 1.16E:

Express each approximation of to six significant figures: (a) 22/7 and (b) 355/113. (c) Are these...Problem 1.17E:

BIO A rather ordinary middle-aged man is in the hospital for a routine checkup. The nurse writes 200...Problem 1.18E:

How many gallons of gasoline are used in the United States in one day? Assume that there are two...Problem 1.20E:

BIO Four astronauts are in a spherical space station. (a) If as is typical, each of them breathes...Problem 1.21E:

In Wagners opera Das Rheingold, the goddess Freia is ransomed for a pile of gold just tall enough...Problem 1.22E:

BIO How many times does a human heart beat during a persons lifetime? How many gallons of blood does...Problem 1.23E:

You are using water to dilute small amounts of chemicals in the laboratory, drop by drop. How many...Problem 1.24E:

For the vectors A and B in Fig. E1.24, use a scale drawing to find the magnitude and direction of...Problem 1.25E:

A postal employee drives a delivery truck along the route shown in Fig. E1.25. Determine the...Problem 1.26E:

A spelunker is surveying a cave. She follows a passage 180 m straight west, then 210 m in a...Problem 1.28E:

Let be the angle that the vector A makes with the +x-axis, measured counterclockwise from that...Problem 1.31E:

For the vectors A and B in Fig. E1.24, use the method of components to find the magnitude and...Problem 1.32E:

A postal employee drives a delivery truck over the route shown in Fig. E1.25. Use the method of...Problem 1.33E:

A disoriented physics professor drives 3.25 km north, then 2.20 km west, and then 1.50 km south....Problem 1.34E:

Find the magnitude and direction of the vector represented by the following pairs of components: (a)...Problem 1.35E:

Vector A is 2.80 cm long and is 60.0 above the x-axis in the first quadrant. Vector B is 1.90 cm...Problem 1.36E:

In each case, find the x- and y-components of vector...Problem 1.38E:

Given two vectors A=4.00i+7.00j and B=5.00i2.00j, (a) find the magnitude of each vector; (b) use...Problem 1.39E:

(a) Write each vector in Fig. E1.39 in terms of the unit vectors i and j. (b) Use unit vectors to...Problem 1.41E:

Given two vectors A=2.00i+3.00j+4.00k and B=3.00i+1.00j3.00k, (a) find the magnitude of each vector;...Problem 1.42E:

(a) Find the scalar product of the vectors A and B given in Exercise 1.38. (b) Find the angle...Problem 1.43E:

For the vectors A,B and C in Fig. E1.24, find the scalar products (a) AB; (b) BC; (c) AC.Problem 1.44E:

Find the vector product AB (expressed in unit vectors) of the two vectors given in Exercise 1.38....Problem 1.45E:

Find the angle between each of these pairs of vectors: (a) A=2.00i+6.00j and B=2.00i3.00j (b)...Problem 1.46E:

For the two vectors in Fig. E1.35, find the magnitude and direction of (a) the vector product AB;...Problem 1.47E:

For the two vectors A and D in Fig. E1.24, find the magnitude and direction of (a) the vector...Problem 1.48P:

For the two vectors A and B in Fig. E1.39, find (a) the scalar product AB; (b) the magnitude and...Problem 1.49P:

White Dwarfs and Neutron Stars. Recall that density is mass divided by volume, and consult Appendix...Problem 1.50P:

An acre has a length of one furlong (18 mi) and a width one-tenth of its length. (a) How many acres...Problem 1.51P:

An Earthlike Planet. In January 2006 astronomers reported the discovery of a planet, comparable in...Problem 1.52P:

The Hydrogen Maser. A maser is a laser-type device that produces electromagnetic waves with...Problem 1.53P:

BIO Breathing Oxygen. The density of air under standard laboratory conditions is 1.29 kg/m3, and...Problem 1.54P:

A rectangular piece of aluminum is 7.60 0.01 cm long and 1.90 0.01 cm wide, (a) Find the area of...Problem 1.55P:

As you eat your way through a bag of chocolate chip cookies, you observe that each cookie is a...Problem 1.57P:

BIO Estimate the number of atoms in your body. (Hint: Based on what you know about biology and...Problem 1.58P:

Two ropes in a vertical plane exert equal-magnitude forces on a hanging weight but pull with an...Problem 1.59P:

Two workers pull horizontally on a heavy box, but one pulls twice as hard as the other. The larger...Problem 1.60P:

Three horizontal ropes pull on a large stone stuck in the ground, producing the vector forces A,B,,...Problem 1.61P:

As noted in Exercise 1.26, a spelunker is surveying a cave. She follows a passage 180 m straight...Problem 1.62P:

Emergency Landing. A plane leaves the airport in Galisteo anti flies 170 km at 68.0 cast of north;...Problem 1.63P:

BIO Dislocated Shoulder. A patient with a dislocated shoulder is put into a traction apparatus as...Problem 1.64P:

A sailor in a small sailboat encounters shifting winds. She sails 2.00 km cast, next 3.50 km...Problem 1.65P:

You leave the airport in College Station and fly 23.0 km in a direction 34.0 south of cast. You then...Problem 1.66P:

On a training flight, a student pilot flies from Lincoln, Nebraska, to Clarinda, Iowa, next to St....Problem 1.67P:

As a test of orienteering skills, your physics class holds a contest in a large, open field. Each...Problem 1.68P:

Getting Back. An explorer in Antarctica leaves his shelter during a whiteout. He takes 40 steps...Problem 1.69P:

You are lost at night in a large, open field. Your GPS tells you that you are 122.0 m from your...Problem 1.70P:

A ship leaves the island of Guam and sails 285 km at 62.0 north of west. In which direction must it...Problem 1.71P:

BIO Bones and Muscles. A physical therapy patient has a forearm that weighs 20.5 N and lifts a...Problem 1.72P:

You decide to go to your favorite neighborhood restaurant. You leave your apartment, take the...Problem 1.73P:

While following a treasure map, you start at an old oak tree. You first walk 825 m directly south,...Problem 1.74P:

A fence post is 52.0 m from where you are standing, in a direction 37.0 north of east. A second...Problem 1.75P:

A dog in an open field runs 12.0 m cast and then 28.0 m in a direction 50.0 west of north. In what...Problem 1.76P:

Ricardo and Jane are standing under a tree in the middle of a pasture. An argument ensues, and they...Problem 1.77P:

You are camping with Joe and Karl. Since all three of you like your privacy, you dont pitch your...Problem 1.78P:

Bond Angle in Methane. In the methane molecule, CH4, each hydrogen atom is at a corner of a regular...Problem 1.79P:

Vectors A and B have scalar product 6.00, and their vector product has magnitude +9.00. What is the...Problem 1.80P:

A cube is placed so that one corner is at the origin and three edges are along the x-y-, and z-axes...Problem 1.81P:

Vector A has magnitude 12.0 m, and vector B has magnitude 16.0 m. The scalar product AB is 112.0 m2....Problem 1.83P:

The scalar product of vectors A and B is +48.0 m2. Vector A has magnitude 9.00 m and direction 28.0...Problem 1.84P:

Two vectors A and B have magnitudes A = 3.00 and B = 3.00. Their vector product is AB=5.00k+2.00i....Problem 1.85P:

You are given vectors A=5.0i6.5j and 3.5i7.0j. A third vector, C, lies in the xy-plane. Vector C is...Problem 1.87P:

DATA You are a team leader at a pharmaceutical company. Several technicians are preparing samples,...Problem 1.88P:

DATA You are a mechanical engineer working for a manufacturing company. Two forces, F1 and F2, act...Problem 1.89CP:

DATA Navigating in the Solar System. The Mars Polar Lander spacecraft was launched on January 3....Problem 1.90PP:

Completed Pass. The football team at Enormous State University (ESU) uses vector displacements to...Problem 1.91PP:

Navigating in the Big Dipper. All of the stars of the Big Dipper (part of the constellation Ursa...Problem 1.92PP:

BIO CALCULATING LUNG VOLUME IN HUMANS. In humans, oxygen and carbon dioxide are exchanged in the...# Browse All Chapters of This Textbook

Chapter 1 - Units, Physical Quantities, And VectorsChapter 2 - Motion Along A Straight LineChapter 3 - Motion In Two Or Three DimensionsChapter 4 - Newton's Laws Of MotionChapter 5 - Applying Newton 's LawsChapter 6 - Work And Kinetic EnergyChapter 7 - Potential Energy And Energy ConservationChapter 8 - Momentum , Impulse, And CollisionsChapter 9 - Rotation Of Rigid BodiesChapter 10 - Dynamics Of Rotational Motion

Chapter 11 - Equilibrium And ElasticityChapter 12 - Fluid MechanicsChapter 13 - GravitationChapter 14 - Periodic MotionChapter 15 - Mechanical WavesChapter 16 - Sound And HearingChapter 17 - Temperature And HeatChapter 18 - Thermal Properties Of MatterChapter 19 - The First Law Of ThermodynamicsChapter 20 - The Second Law Of ThermodynamicsChapter 21 - Electric Charge And Electric FieldChapter 22 - Gauss's LawChapter 23 - Electric PotentialChapter 24 - Capacitance And DielectricsChapter 25 - Current, Resist Ance, And Electromotive ForceChapter 26 - Direct-current CircuitsChapter 27 - Magnetic Field And Magnetic ForcesChapter 28 - Sources Of Magnetic FieldChapter 29 - Electromagnetic InductionChapter 30 - InductanceChapter 31 - Alternating CurrentChapter 32 - Electromagnetic WavesChapter 33 - The Nature And Propagation Of LightChapter 34 - Geometric OpticsChapter 35 - InterferenceChapter 36 - DiffractionChapter 37 - Relativity

# Sample Solutions for this Textbook

We offer sample solutions for University Physics (14th Edition) homework problems. See examples below:

Chapter 1, Problem Q1.1DQChapter 2, Problem Q2.1DQChapter 3, Problem Q3.1DQChapter 4, Problem Q4.1DQChapter 5, Problem Q5.1DQChapter 6, Problem Q6.1DQChapter 7, Problem Q7.1DQChapter 8, Problem Q8.1DQChapter 9, Problem Q9.1DQ

Chapter 10, Problem Q10.1DQChapter 11, Problem Q11.1DQChapter 12, Problem Q12.1DQChapter 13, Problem Q13.1DQChapter 14, Problem Q14.1DQChapter 15, Problem Q15.1DQSection 1: To determine: The changes in the frequency of the sound when it travels from air into...Chapter 17, Problem Q17.1DQChapter 18, Problem Q18.1DQExplanation: Work done by the system on the environment for the expansion of the burned gasoline-air...Chapter 20, Problem Q20.1DQChapter 21, Problem Q21.1DQChapter 22, Problem Q22.1DQChapter 23, Problem Q23.1DQChapter 24, Problem Q24.1DQChapter 25, Problem Q25.1DQChapter 26, Problem Q26.1DQChapter 27, Problem Q27.1DQChapter 28, Problem Q28.1DQChapter 29, Problem Q29.1DQChapter 30, Problem Q30.1DQChapter 31, Problem Q31.1DQChapter 32, Problem Q32.1DQChapter 33, Problem Q33.1DQChapter 34, Problem Q34.1DQChapter 35, Problem Q35.1DQChapter 36, Problem Q36.1DQChapter 37, Problem Q37.1DQ

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