Test Bank For Physics: Principles with Applications, 6th Edition

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ContentsPrefacevChapter 1Introduction, Measurement, Estimating1Chapter 2Describing Motion: Kinematics in One Dimension17Chapter 3Kinematics in Two Dimensions; Vectors41Chapter 4Dynamics: Newton's Laws of Motion59Chapter 5Circular Motion; Gravitation82Chapter 6Work and Energy104Chapter 7Linear Momentum127Chapter 8Rotational Motion148Chapter 9Static Equilibrium; Elasticity and Fracture168Chapter 10Fluids180Chapter 11Vibrations and Waves199Chapter 12Sound224Chapter 13Temperature and Kinetic Theory245Chapter 14Heat266Chapter 15The Laws of Thermodynamics285Chapter 16Electric Charge and Electric Field303Chapter 17Electric Potential324Chapter 18Electric Currents342Chapter 19DC Circuits360Chapter 20Magnetism387Chapter 21Electromagnetic Induction and Faraday's Law407Chapter 22Electromagnetic Waves440Chapter 23Light: Geometric Optics448Chapter 24The Wave Nature of Light477Chapter 25Optical Instruments499Chapter 26Special Theory of Relativity512Chapter 27Early Quantum Theory and Models of the Atom526Chapter 28Quantum Mechanics of Atoms542Chapter 29Molecules and Solids554Chapter 30Nuclear Physics and Radioactivity560Chapter 31Nuclear Energy; Effects and Uses of Radiation576Chapter 32Elementary Particles586Chapter 33Astrophysics and Cosmology597

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Test Item Fileto accompanyPhysics: Principles with ApplicationsSixth EditionDouglas GiancoliDelena Bell GatchGeorgia Southern UniversityPrefaceThis test bank is a revision and update of theTest Item Fileaccompanying thefifth edition of Douglas Giancoli’sPhysics: Principles with Applications. The sixthedition test bank was created with TestGenerator, a networkable program for creatingquizzes and exams. TestGenerator allows users to modify existing questions/problems,including algorithmic versions, as well as create and input new questions/problems.This test bank contains approximately 2500 multiple choice, short answer, andessay questions. The majority of the multiple choice questions and problems could alsobe given as free response questions or problems. Like the end of chapter ofPhysics:Principles with Applications, each chapter of the test bank is divided into two sections:Conceptual QuestionsandQuantitative Problems. Thus, nearly 50% of the material inthe test bank is conceptual in nature. All questions and problems are ranked by level ofdifficulty and are referenced to the corresponding section in the textbook. The notationin the sixth edition test bank has been updated to reflect the notation used in the sixthedition ofPhysics: Principles with Applications.About the AuthorDr. Delena Bell Gatch has taught introductory physics at Georgia SouthernUniversity since early 2001.She completed her Ph.D. at the University of Georgia inSeptember of 2000, and remained at the University of Georgia as a post doctorialassistant before accepting the assistant professor position Georgia Southern University.Her field of specialty is experimental condensed matter physics.Her research ventureshave included the study of the properties of powder phosphors for flat panel displays, thedevelopment of new infrared detection schemes utilizing visible emission from crystals,and the investigation of the shifts in energy levels of crystals due to the application ofhydrostatic pressure.During a typical semester, Dr. Gatch teaches three or four introductory physicsclasses, in addition to one-to-three introductory physics labs. She works with students inthe University Honors Program who desire to study physics in greater depth.She alsospends time outside of the classroom assisting her premedical students who are preparingto take the MCAT.

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Chapter 1Introduction, Measurement, EstimatingConceptual Questions1) Four students measure the mass of an object, each using a different scale. They record theirresults as follows:StudentABCDMass (g )49.06495049.2Which student used the least precise scale?A) AB) BC) CD) DAnswer: CDiff: 1Page Ref: Sec. 1.42) Four students measure the mass of an object, each using a different scale. They record theirresults as follows:StudentABCDMass (g )49.06495049.2Which student used the most precise scale?A) AB) BC) CD) DAnswer: ADiff: 1Page Ref: Sec. 1.43) A useful method of expressing very small or very large numbers isA) scientific notation.B) arabic numerals.C) the metric system.D) roman numerals.Answer: ADiff: 1Page Ref: Sec. 1.41

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Chapter 1: Introduction, Measurement, Estimating4) All of the following are base units of the SI system except:A) kilogram.B) kelvin.C) meter.D) volt.Answer: DDiff: 1Page Ref: Sec. 15-1.65) Select the list which contains only SI basic units.A) liter, meter, second, wattB) joule, kelvin, kilogram, wattC) candela, kelvin, meter, secondD) joule, newton, second, wattAnswer: CDiff: 1Page Ref: Sec. 1.5-1.66) How many basic units does the SI system have?A) fourB) fiveC) sevenD) tenAnswer: CDiff: 1Page Ref: Sec. 1.5-1.67) The base SI unit of time isA) hour.B) minute.C) second.D) millisecond.Answer: CDiff: 1Page Ref: Sec. 1.5-1.68) In the CGS system, what are the fundamental units?A) Newton, centimeter, secondB) kilogram, meter, secondC) gram, centimeter, minuteD) gram, centimeter, secondAnswer: DDiff: 2Page Ref: Sec. 1.5-1.62

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Physics: Principles with Applications, Sixth Edition9) The metric prefix for one one-thousandth isA) milli.B) centi.C) kilo.D) mega.Answer: ADiff: 1Page Ref: Sec. 1.5-1.610) The metric prefix for one one-hundredth isA) milli.B) centi.C) kilo.D) mega.Answer: BDiff: 1Page Ref: Sec. 1.5-1.611) The metric prefix for one thousand isA) milli.B) centi.C) kilo.D) mega.Answer: CDiff: 1Page Ref: Sec. 1.5-1.612) Express the number 0.02 days using a prefix of Table 1-4.A) 2 decidaysB) 2 centidaysC) 2 millidaysD) 2 microdaysAnswer: BDiff: 1Page Ref: Sec. 1.5-1.613) What is the conversion factor between km/h and m/s?A) 0.0278 m/sB) 0.278 m/sC) 3.60 m/sD) 16.7 m/sAnswer: BDiff: 1Page Ref: Sec. 1.5-1.63

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Chapter 1: Introduction, Measurement, Estimating14) What is the conversion factor between km/h2 and m/s2?A) 7.72˛10-6 m/s2B) 2.78˛10-1 m/s2C) 1.30˛104 m/s2D) 3.60 m/s2Answer: ADiff: 1Page Ref: Sec. 1.5-1.615) What is the conversion factor between cm2 and m2?A) 0.01 m2/cm2B) 0.0001 m2/cm2C) 100 m2/cm2D) 10000 m2/cm2Answer: BDiff: 1Page Ref: Sec. 1.5-1.616) The position,x, of an object is given by the equationx=A+Bt+Ct2, wheretrefers to time.What are the dimensions ofA,B, andC?A) distance, distance, distanceB) distance, time, time2C) distance, distance/time, distance/time2D) distance/time, distance/time2, distance/time3Answer: CDiff: 2Page Ref: Sec. 1.8Quantitative Problems1) What is the percent uncertainty in the measurement 2.58±0.15 cm?A) 2.9%B) 5.8%C) 8.7%D) 12%Answer: BDiff: 2Page Ref: Sec. 1.42) What, approximately, is the percent uncertainty for the measurement 5.2?A) 1%B) 2%C) 3%D) 4%Answer: BDiff: 2Page Ref: Sec. 1.44

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Physics: Principles with Applications, Sixth Edition3) What is the percent uncertainty in the area of a circle whose radius is 1.8˛104 cm?A) 1.1%B) 5.6%C) 11%D) 56%Answer: CDiff: 3Page Ref: Sec. 1.44) What is the volume, and its approximate uncertainty, of a sphere of radius 1.96±0.01 m?A) 31.5±0.2 m2B) 31.5±0.3 m2C) 31.5±0.4 m2D) 31.5±0.5 m2Answer: DDiff: 3Page Ref: Sec. 1.45) The number of significant figures in 10001 isA) two.B) three.C) five.D) six.Answer: CDiff: 1Page Ref: Sec. 1.46) The number of significant figures in 0.01500 isA) two.B) three.C) four.D) five.Answer: CDiff: 1Page Ref: Sec. 1.47) The number of significant figures in 0.040 isA) one.B) two.C) three.D) four.Answer: BDiff: 1Page Ref: Sec. 1.45

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Chapter 1: Introduction, Measurement, Estimating8) Which of the following has three significant figures?A) 305.0 cmB) 0.0500 mmC) 1.00081 kgD) 8.060˛1011 m2Answer: BDiff: 1Page Ref: Sec. 1.49) What is the sum of 2.67 + 1.976 + 2.1?A) 6.7B) 6.75C) 6.746D) 6.7460Answer: ADiff: 1Page Ref: Sec. 1.410) What is the difference between 103.5 and 102.24?A) 1.3B) 1.26C) 1.260D) 1.2600Answer: ADiff: 1Page Ref: Sec. 1.411) What is the product of 12.56 and 2.12?A) 27B) 26.6C) 26.23D) 26.627Answer: BDiff: 1Page Ref: Sec. 1.412) What is the result of 2.43d4.561?A) 5.3278˛10-1B) 5.328˛10-1C) 5.33˛10-1D) 5.3˛10-1Answer: CDiff: 1Page Ref: Sec. 1.46

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Physics: Principles with Applications, Sixth Edition13) What is the cosine of 55e?A) 0.6B) 0.57C) 0.574D) 0.5736Answer: BDiff: 1Page Ref: Sec. 1.414) The length and width of a rectangle are 1.125 m and 0.606 m, respectively. Multiplying, yourcalculator gives the product as 0.68175. Rounding properly to the correct number of significantfigures, the area should be written asA) 0.68 m2.B) 0.682 m2.C) 0.6818 m2.D) 0.68175 m2.Answer: BDiff: 1Page Ref: Sec. 1.415) The length and width of a rectangle are 1.125 m and 0.606 m, respectively. You calculate therectangle's perimeter by adding these and multiplying by two. Your calculator's display reads3.462. To the correct number of significant figures, this should be written asA) 3.5 m.B) 3.46 m.C) 3.462 m.D) 3.4620 m.Answer: CDiff: 1Page Ref: Sec. 1.416) A rectangle is 3.25 m long and 1.5 m wide. What is its area?A) 4.875 m2B) 4.87 m2C) 4.80 m2D) 4.9 m2Answer: DDiff: 2Page Ref: Sec. 1.47

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Chapter 1: Introduction, Measurement, Estimating17) A rectangular garden measures 15 m long and 13.7 m wide. What is the length of a diagonalfrom one corner of the garden to the other?A) 18 mB) 19 mC) 20 mD) 4.1˛102 mAnswer: CDiff: 2Page Ref: Sec. 1.418) Select the smallest value.A) 15˛10-3B) 0.15˛100C) 0.00015˛103D) 0.00000015˛106Answer: ADiff: 1Page Ref: Sec. 1.419) Write the number 0.00045 in power of ten notation.A) 4.5˛10-4B) 4.5˛10-3C) 4.5˛10-2D) 4.5˛10-1Answer: ADiff: 1Page Ref: Sec. 1.420) 0.0001776 can also be expressed asA) 1.776˛10-4.B) 17.72˛104.C) 1772˛105.D) 177.2˛107.Answer: ADiff: 1Page Ref: Sec. 1.421) 4567.89 is properly expressed in scientific notation asA) 4.56789˛103.B) 45.6789˛102.C) 456.789˛101.D) 4567.89˛100.Answer: ADiff: 1Page Ref: Sec. 1.48

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Physics: Principles with Applications, Sixth Edition22) Convert 1.2˛10-3 to decimal notation.A) 1.200B) 0.1200C) 0.0120D) 0.0012Answer: DDiff: 1Page Ref: Sec. 1.423) Write out the number 8.42˛10-5 in full with a decimal point and correct number of zeros.A) 0.00000842B) 0.0000842C) 0.000842D) 0.00842Answer: BDiff: 1Page Ref: Sec. 1.424) What is the result of (0.410 + 0.021)˛(2.20˛103)?A) 880B) 946C) 948D) 950Answer: CDiff: 2Page Ref: Sec. 1.425) Write the number 13.5 gigameters as full (decimal) numbers with standard units.A) 135,000 mB) 135,000,000 mC) 135,000,000,000 mD) 13,500,000,000 mAnswer: DDiff: 1Page Ref: Sec. 1.5-1.626) 100 mL is equivalent to which of the following?A) 1 kLB) 10-6mLC) 0.1 LD) 0.01 MLAnswer: CDiff: 1Page Ref: Sec. 1.5-1.69

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Chapter 1: Introduction, Measurement, Estimating27) How many grams is forty milligrams?A) 0.000040 gB) 0.00040 gC) 0.040 gD) 40000 gAnswer: CDiff: 1Page Ref: Sec. 1.5-1.628) How many meters is sixty kilometers?A) 600,000 mB) 60,000 mC) 60 mD) 0.06 mAnswer: BDiff: 1Page Ref: Sec. 1.5-1.629) 1 angstrom = 10-10 m and 1 fermi = 10-15 m, what is the relationship between these units?A) 1 angstrom = 105 fermiB) 1 angstrom = 10-5 fermiC) 1 angstrom = 10-25 fermiD) 1 angstrom = 10+25 fermiAnswer: ADiff: 1Page Ref: Sec. 1.5-1.630) 0.00325˛10-8 cm can also be expressed in mm asA) 3.25˛10-12 mm.B) 3.25˛10-11 mm.C) 3.25˛10-10 mm.D) 3.25˛10-9 mm.Answer: CDiff: 2Page Ref: Sec. 1.5-1.631) Which one of the following is not equivalent to 2.50 miles? (1 mi = 1.609 km = 5280 ft, 1 ft =12 in.)A) 1.32˛104 ftB) 1.58˛105 in.C) 4.02˛103 kmD) 4.40˛103 ydAnswer: CDiff: 1Page Ref: Sec. 1.5-1.610

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Physics: Principles with Applications, Sixth Edition32) If you are 5'10'' tall, what is your height in meters? (1 in = 2.54 cm.)A) 1.5 mB) 1.6 mC) 1.7 mD) 1.8 mAnswer: DDiff: 1Page Ref: Sec. 1.5-1.633) If 1 inch = 2.54 cm, and 1 yd = 36 in., how many meters are in 7.00 yd?A) 6.40 mB) 36.3 mC) 640 mD) 1.78˛103 mAnswer: ADiff: 2Page Ref: Sec. 1.5-1.634) A hot air balloon rises to an altitude of 600 fathoms. What is this height, in feet? (1 fathom =6 ft.)A) 100 ftB) 600 ftC) 1200 ftD) 3600 ftAnswer: DDiff: 1Page Ref: Sec. 1.5-1.635) The average life of an animal is 70 years. Assume one numerical figure, write this in power often in seconds.A) 3˛107 sB) 2˛107 sC) 2˛109 sD) 3˛109 sAnswer: CDiff: 1Page Ref: Sec. 1.5-1.636) The mass of an electron is 9.1˛10-31 kg. How many electrons will make a mass of 1.0 kg?A) 9.1˛1030B) 1.1˛1030C) 9.1˛1031D) 1.1˛1031Answer: BDiff: 1Page Ref: Sec. 15-1.611

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Chapter 1: Introduction, Measurement, Estimating37) How many m/s is 50 mi/h equivalent to? (1 mi = 1609 m.)A) 49 m/sB) 2.2 m/sC) 22 m/sD) 45 m/sAnswer: CDiff: 1Page Ref: Sec. 1.5-1.638) How much longer (percentage) is a 100 m dash than a 100 yd dash? (1 yd = 0.9146 m.)A) 3.5%B) 6.5%C) 8.5%D) 12%Answer: CDiff: 1Page Ref: Sec. 1.5-1.639) Which is the largest area?A) 2,500,000 cm2B) 100,000 cm2C) 7.5 m2D) 0.75 m2Answer: BDiff: 1Page Ref: Sec. 1.5-1.640) If 1 inch = 2.54 cm, how many square centimeters are in 1.00 square in.?A) 1.59B) 2.54C) 5.08D) 6.45Answer: DDiff: 2Page Ref: Sec. 1.5-1.641) Express the following sum with the correct number of significant figures: 1.00 kg + 1531 g +2.54˛104 mg.A) 2.56 kgB) 27.9 kgC) 2.53 kgD) 2.79 kgAnswer: ADiff: 2Page Ref: Sec. 1.5-1.612

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Physics: Principles with Applications, Sixth Edition42) A football field is 120 yd long and 50 yd wide. What is the area of the football field, in m2, if1 yd = 91.44 cm?A) 2.4˛103 m2B) 3.7˛103 m2C) 4.2˛103 m2D) 5.0˛103 m2Answer: DDiff: 2Page Ref: Sec. 1.5-1.643) A ball has a radius of 3.23 cm. What is the volume of the ball in m3?A) 1.41˛10-4B) 1.41C) 4.23˛10-4D) 4.23Answer: ADiff: 2Page Ref: Sec. 1.5-1.644) A thick-walled metal pipe of length 20.0 cm has an inside diameter of 2.00 cm and an outsidediameter of 2.40 cm. What is the total surface area of the pipe, counting the ends, in m2?A) 276B) 277C) 278D) 279Answer: DDiff: 3Page Ref: Sec. 1.5-1.645) The radius of the Earth is 3963 mi. What is the surface area of the Earth in square meters?(1 mi = 1609 m.)A) 4.9˛107 m2B) 1.3˛1014 m2C) 2.6˛1014 m2D) 5.1˛1014 m2Answer: DDiff: 2Page Ref: Sec. 1.5-1.613

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Chapter 1: Introduction, Measurement, Estimating46) The average density of blood is 1.06˛103 kg/m3. If you donate a pint of blood to the RedCross, what mass of blood have you donated, in grams? (1 pt = 1/2 L, 1 L = 1000 cm3.)A) 530 gB) 0.530 gC) 5300 gD) 5.30˛105 gAnswer: ADiff: 2Page Ref: Sec. 1.5-1.647) The mass of Mars, 6.40˛1023 kg, is about one-tenth that of the Earth, and its radius, 3395 km,is about half that of Earth. What is the mean density of Mars in kg/m3?A) 9.76˛102B) 1.95˛103C) 3.90˛103D) 7.81˛103Answer: CDiff: 2Page Ref: Sec. 1.5-1.648) Concrete is sold by the cubic yard. What is the mass, in kilograms, of one cubic yard ofconcrete that is five times as dense as water? (1 m = 1.094 yd, and 1 m3 of water has a mass of1,000 kg.)A) 764 kgB) 2.42˛103 kgC) 3.82˛103 kgD) 6.55˛103 kgAnswer: CDiff: 2Page Ref: Sec. 1.5-1.649) An average human has a heart rate of 70 beats per minute. If someone's heart beats at thataverage rate over a 70-yr lifetime, how many times would it beat?A) 7˛105B) 2˛106C) 2˛107D) 3˛109Answer: DDiff: 2Page Ref: Sec. 1.714

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Physics: Principles with Applications, Sixth Edition50) A large school district has 300 school buses. If each school bus is used 3 hours each day, theaverage speed of the school buses is 15 mi/h, and the fuel economy of the buses is 10 mi/gal.How much does it cost to run these buses in 22 school days if gasoline costs $1.20 a gallon?A) $600B) $1200C) $1800D) $2400Answer: BDiff: 2Page Ref: Sec. 1.751) A person stands 35.0 m from a flag pole. With a protractor at eye level, he finds that the angleat the top of the flag pole makes with the horizontal is 25.0 degrees. How high is the flag pole?(The distance from his feet to his eyes is 1.7 m.)A) 10 mB) 20 mC) 30 mD) 80 mAnswer: BDiff: 2Page Ref: Sec. 1.752) Starting from city A, a car drives 250 miles east to city B, then 300 miles north to city C, andfinally 700 miles west to city D. What is the distance between city A and city D?A) 300 miB) 400 miC) 500 miD) 600 miAnswer: CDiff: 2Page Ref: Sec. 1.753) The last page of a book is numbered 764. The book is 3.00 cm thick. What is the averagethickness of a sheet of paper in the book, in centimeters?A) 4˛10-3B) 8˛10-3C) 100D) 200Answer: BDiff: 2Page Ref: Sec. 1.715

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Chapter 1: Introduction, Measurement, Estimating54) Wall posters are usually sold curled up in cylindrical cardboard tubes. If the length of the tubeis 84.5 cm, and the diameter of the tube is 2.40 cm, what is the area of the poster, in cm2?(Assume the poster doesn't overlap itself.)A) 200 cm2B) 400 cm2C) 600 cm2D) 2000 cm2Answer: CDiff: 2Page Ref: Sec. 1.716

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Chapter 2Describing Motion:Kinematics in One DimensionConceptual Questions1) Suppose that an object travels from one point in space to another. Make a comparisonbetween the displacement and the distance traveled.A) The displacement is either greater than or equal to the distance traveled.B) The displacement is always equal to the distance traveled.C) The displacement is either less than or equal to the distance traveled.D) The displacement can be either greater than, smaller than, or equal to the distancetraveled.Answer: CDiff: 2Page Ref: Sec. 2.12) When is the average velocity of an object equal to the instantaneous velocity?A) alwaysB) neverC) only when the velocity is constantD) only when the velocity is increasing at a constant rateAnswer: CDiff: 2Page Ref: Sec. 2.2-2.33) A new car manufacturer advertises that their car can go "from zero to sixty in 8 s". This is adescription ofA) average speed.B) instantaneous speed.C) average acceleration.D) instantaneous acceleration.Answer: CDiff: 1Page Ref: Sec. 2.417

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Chapter 2:Describing Motion: Kinematics in One Dimension4) An object moving in the +x axis experiences an acceleration of 2.0 m/s2. This means the objectisA) traveling at 2.0 m in every second.B) traveling at 2.0 m/s in every second.C) changing its velocity by 2.0 m/s.D) increasing its velocity by 2.0 m/s in every second.Answer: DDiff: 1Page Ref: Sec. 2.45) Suppose that a car traveling to the East (+xdirection) begins to slow down as it approaches atraffic light. Make a statement concerning its acceleration.A) The car is decelerating, and its acceleration is positive.B) The car is decelerating, and its acceleration is negative.C) The acceleration is zero.D) A statement cannot be made using the information given.Answer: BDiff: 1Page Ref: Sec. 2.46) Suppose that a car traveling to the West (-xdirection) begins to slow down as it approaches atraffic light. Make a statement concerning its acceleration.A) The car is decelerating, and its acceleration is positive.B) The car is decelerating, and its acceleration is negative.C) The acceleration is zero.D) A statement cannot be made using the information given.Answer: ADiff: 2Page Ref: Sec. 2.47) Suppose that an object is moving with a constant velocity. Make a statement concerning itsacceleration.A) The acceleration must be constantly increasing.B) The acceleration must be constantly decreasing.C) The acceleration must be a constant non-zero value.D) The acceleration must be equal to zero.Answer: DDiff: 1Page Ref: Sec. 2.418

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Physics: Principles with Applications, Sixth Edition8) If the velocity of an object is zero, does it mean that the acceleration is zero? Support youranswer with an example.A) no, and an example would be an object starting from restB) no, and an example would be an object coming to a stopC) yes, because of the way in which velocity is definedD) yes, because of the way in which acceleration is definedAnswer: ADiff: 1Page Ref: Sec. 2.49) Can an object's velocity change direction when its acceleration is constant? Support youranswer with an example.A) No, this is not possible because it is always speeding up.B) No, this is not possible because it is always speeding up or always slowing down, but itcan never turn around.C) Yes, this is possible, and a rock thrown straight up is an example.D) Yes, this is possible, and a car that starts from rest, speeds up, slows to a stop, and thenbacks up is an example.Answer: CDiff: 2Page Ref: Sec. 2.410) Suppose that an object is moving with constant acceleration. Make a statement concerning itsmotion with respect to time.A) In equal times its speed increases by equal amounts.B) In equal times its velocity changes by equal amounts.C) In equal times it moves equal distances.D) A statement cannot be made using the information given.Answer: BDiff: 2Page Ref: Sec. 2.411) Can an object have increasing speed while its acceleration is decreasing? Support your answerwith an example.A) No, this is impossible because of the way in which acceleration is defined.B) No, because if acceleration is decreasing the object will be slowing down.C) Yes, and an example would be an object falling in the absence of air friction.D) Yes, and an example would be an object released from rest in the presence of air friction.Answer: DDiff: 2Page Ref: Sec. 2.419

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Chapter 2:Describing Motion: Kinematics in One Dimension12) Suppose a can, after an initial kick, moves up along a smooth hill of ice. Make a statementconcerning its acceleration.A) It will travel at constant velocity with zero acceleration.B) It will have a constant acceleration up the hill, but a different constant acceleration when itcomes back down the hill.C) It will have the same acceleration, both up the hill and down the hill.D) It will have a varying acceleration along the hill.Answer: CDiff: 3Page Ref: Sec. 2.413) Under what condition is average velocity equal to the average of the object's initial and finalvelocity?A) The acceleration must be constantly changing.B) The acceleration must be constant.C) This can only occur if there is no acceleration.D) This is impossible.Answer: BDiff: 2Page Ref: Sec. 2.414) Objects A and B both start at rest. They both accelerate at the same rate. However, object Aaccelerates for twice the time as object B. What is the final speed of object A compared to thatof object B?A) the same speedB) twice as fastC) three times as fastD) four times as fastAnswer: BDiff: 2Page Ref: Sec. 2.5-2.615) Objects A and B both start from rest. They both accelerate at the same rate. However, object Aaccelerates for twice the time as object B. What is the distance traveled by object A comparedto that of object B?A) the same distanceB) twice as farC) three times as farD) four times as farAnswer: DDiff: 2Page Ref: Sec. 2.5-2.620

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Physics: Principles with Applications, Sixth Edition16) When an object is released from rest and falls in the absence of friction, which of the followingis true concerning its motion?A) The speed of the falling object is proportional to its mass.B) The speed of the falling object is proportional to its weight.C) The speed of the falling object is inversely proportional to its surface area.D) None of the above is true.Answer: DDiff: 1Page Ref: Sec. 2.717) When an object is released from rest and falls in the absence of friction, which of the followingis true concerning its motion?A) Its acceleration is constant.B) Its velocity is constant.C) Neither its acceleration nor its velocity is constant.D) Both its acceleration and its velocity are constant.Answer: ADiff: 1Page Ref: Sec. 2.718) Suppose a ball is thrown straight up. Make a statement about the velocity and theacceleration when the ball reaches the highest point.A) Both its velocity and its acceleration are zero.B) Its velocity is zero and its acceleration is not zero.C) Its velocity is not zero and its acceleration is zero.D) Neither its velocity nor its acceleration is zero.Answer: BDiff: 1Page Ref: Sec. 2.719) Suppose a ball is thrown straight up. What is its acceleration just before it reaches its highestpoint?A) zeroB) slightly less than gC) exactly gD) slightly greater than gAnswer: CDiff: 1Page Ref: Sec. 2.721

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Chapter 2:Describing Motion: Kinematics in One Dimension20) Suppose a ball is thrown straight up, reaches a maximum height, then falls to its initial height.Make a statement about the direction of the velocity and acceleration as the ball is going up.A) Both its velocity and its acceleration point upward.B) Its velocity points upward and its acceleration points downward.C) Its velocity points downward and its acceleration points upward.D) Both its velocity and its acceleration points downward.Answer: BDiff: 1Page Ref: Sec. 2.721) A ball is thrown straight up, reaches a maximum height, then falls to its initial height. Make astatement about the direction of the velocity and acceleration as the ball is coming down.A) Both its velocity and its acceleration point upward.B) Its velocity points upward and its acceleration points downward.C) Its velocity points downward and its acceleration points upward.D) Both its velocity and its acceleration point downward.Answer: DDiff: 1Page Ref: Sec. 2.722) Suppose a ball is thrown downward in the absence of air resistance. Make a statementconcerning its acceleration.A) Its acceleration is constantly increasing.B) Its acceleration is constant.C) Its acceleration is constantly decreasing.D) Its acceleration is zero.Answer: BDiff: 1Page Ref: Sec. 2.723) Suppose a skydiver jumps from a high-flying plane. What is her acceleration when she shereaches terminal velocity?A) It is essentially zero.B) It is in the upward direction.C) It is approximately 9.8 m/s2 downward.D) It is a constant pointing upward.Answer: ADiff: 2Page Ref: Sec. 2.722

Test Bank For Physics: Principles with Applications, 6th Edition - Page 28 preview image

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Physics: Principles with Applications, Sixth Edition24) A ball is thrown vertically upward with a speed v. An identical second ball is thrown upwardwith a speed 2v (twice as fast). What is the ratio of the maximum height of the second ball tothat of the first ball? (How many times higher does the second ball go than the first ball?)A) 4:1B) 2:1C) 1.7:1D) 1.4:1Answer: ADiff: 2Page Ref: Sec. 2.725) Ball A is dropped from the top of a building. One second later, ball B is dropped from thesame building. As time progresses, the distance between themA) increases.B) remains constant.C) decreases.D) cannot be determined from the information given.Answer: ADiff: 3Page Ref: Sec. 2.726) Ball A is dropped from the top of a building. One second later, ball B is dropped from thesame building. As time progresses, the difference in their speedsA) increases.B) remains constant.C) decreases.D) cannot be determined from the information given.Answer: BDiff: 3Page Ref: Sec. 2.727) Two objects are thrown from the top of a tall building. One is thrown up, and the other isthrown down, both with the same initial speed. What are their speeds when they hit the street?A) The one thrown up is traveling faster.B) The one thrown down is traveling faster.C) They are traveling at the same speed.D) It is impossible to tell because the height of the building is not given.Answer: CDiff: 2Page Ref: Sec. 2.723

Test Bank For Physics: Principles with Applications, 6th Edition - Page 29 preview image

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Chapter 2:Describing Motion: Kinematics in One Dimension28) A brick is dropped from the top of a building. A second brick is thrown straight down fromthe same building. They are released at the same time. Neglect air resistance. Compare theaccelerations of the two bricks.A) The first brick accelerates faster.B) The second brick accelerates faster.C) The two bricks accelerate at the same rate.D) It is impossible to determine from the information given.Answer: CDiff: 2Page Ref: Sec. 2.729) An object is moving with constant non-zero velocity in the +x axis. The position versus timegraph of this object isA) a horizontal straight line.B) a vertical straight line.C) a straight line making an angle with the time axis.D) a parabolic curve.Answer: CDiff: 1Page Ref: Sec. 2.830) An object is moving with constant non-zero acceleration in the +x axis. The position versustime graph of this object isA) a horizontal straight line.B) a vertical straight line.C) a straight line making an angle with the time axis.D) a parabolic curve.Answer: DDiff: 1Page Ref: Sec. 2.831) An object is moving with constant non-zero velocity in the +x axis. The velocity versus timegraph of this object isA) a horizontal straight line.B) a vertical straight line.C) a straight line making an angle with the time axis.D) a parabolic curve.Answer: ADiff: 1Page Ref: Sec. 2.824

Test Bank For Physics: Principles with Applications, 6th Edition - Page 30 preview image

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Physics: Principles with Applications, Sixth Edition32) An object is moving with constant non-zero acceleration in the +x axis. The velocity versustime graph of this object isA) a horizontal straight line.B) a vertical straight line.C) a straight line making an angle with the time axis.D) a parabolic curve.Answer: CDiff: 1Page Ref: Sec. 2.833) The slope of a position versus time graph givesA) position.B) velocity.C) acceleration.D) displacement.Answer: BDiff: 1Page Ref: Sec. 2.834) The slope of a velocity versus time graph givesA) position.B) velocity.C) acceleration.D) displacement.Answer: CDiff: 1Page Ref: Sec. 2.835) The area under a curve in an acceleration versus time graph givesA) acceleration.B) velocity.C) displacement.D) position.Answer: BDiff: 2Page Ref: Sec. 2.836) The area under a curve in a velocity versus time graph givesA) acceleration.B) velocity.C) displacement.D) position.Answer: CDiff: 2Page Ref: Sec. 2.825

Test Bank For Physics: Principles with Applications, 6th Edition - Page 31 preview image

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Chapter 2:Describing Motion: Kinematics in One Dimension37) If the position versus time graph of an object is a horizontal line, the object isA) moving with constant non-zero speed.B) moving with constant non-zero acceleration.C) at rest.D) moving with infinite speed.Answer: CDiff: 1Page Ref: Sec. 2.838) If the position versus time graph of an object is a vertical line, the object isA) moving with constant non-zero speed.B) moving with constant non-zero acceleration.C) at rest.D) moving with infinite speed.Answer: DDiff: 1Page Ref: Sec. 2.839) If the velocity versus time graph of an object is a horizontal line, the object isA) moving with constant non-zero speed.B) moving with constant non-zero acceleration.C) at rest.D) moving with infinite speed.Answer: ADiff: 1Page Ref: Sec. 2.840) If the velocity versus time graph of an object is a straight line making an angle of 30 degreeswith the time axis, the object isA) moving with constant non-zero speed.B) moving with constant non-zero acceleration.C) at rest.D) moving with infinite speed.Answer: BDiff: 1Page Ref: Sec. 2.826

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