(Test Bank) Physics

Cutnell,Johnson,, 9

Physics

Test Bank

9th Edition

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Test Bank for Physics, The downloadable file consists of 832 pages, and the total size of the file is 5.58 MB. Purchase now only for highly discounted price.

Author(s): Cutnell, Johnson,

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Test Bank (Complete Download) for Physics, 9th Edition, by John D. Cutnell, Kenneth W. Johnson, TEST BANK FOR PHYSIC S 9TH EDITION BY CUT NELL Table of Contents 1 Introduction and Mathematical Concepts 1 2 Kinematics in One Dimension 27 3 Kinematics in Two Dimensions 57 4 Forces and Newton’s Laws of Motion 85 5 Dynamics of Uniform Circu lar Motion 130 6 Work and Energy 155 7 Impulse and Momentum 189 8 Rotational Kinematics 216 9 Rotational Dynamics 240 10 Simple Harmonic Motion and Elasticity 276 11 Fluids 310 12 Temperature and Heat 348 13 The Transfer of Heat 384 14 The Ideal Gas Law and Kinetic Theory 406 15 Thermodynamics 431 16 Waves and Sound 467 17 The Principle of Linear Superposition and Interference Phenomena 503 18 Electric Forces and Electric Fields 529 19 Electric Potential Energy and the Electric Potent ial 565 20 Electric Circuits 595 21 Magnetic Forces and Magnetic Fields 637 22 Electromagnetic Induction 674 23 Alternating Current Circuits 713 24 Electromagnetic Waves 739 25 The Reflection of Light: Mirrors 768 26 The Refraction of Light: Lenses and Opt ical Instruments 790 27 Interference and the Wave Nature of Light 836 28 Special Relativity 869 29 Particles and Waves 895 30 The Nature of the Atom 918 31 Nuclear Physics and Radioactivity 952 32 Ionizing Radiation, Nuclear Energy, and Elementary Particle s 982 1 All information provided for reference only Join us on Facebook.com/thetopgrades Import Settings: Base Settings: Brownstone Default Information Field: Difficulty Information Field: SectionDef Highest Answer Letter: E Multiple Keywords in Same Paragraph: No Chapter: Chapter 1 Multiple Choice 1. Which one of the following is an SI base unit? A) gram B) slug C) newton D) centimeter E) kilogram Ans: E Difficulty: Easy SectionDef: Section 1 -2 and Section 1 -3 2. Complete the following statement: Today, the standard meter is defined in terms of A) the distance from the earth's equator to the north pole. B) the wavelength of light emitted from a krypton atom. C) the wavelength of light emitted from a sodium atom. D) a platinum -iridium bar kept in France. E) the speed of light. Ans: E Difficulty: Medium SectionDef: Section 1 -2 and Section 1 -3 2 All information provided for reference only Join us on Facebook.com/thetopgrades 3. Complete the following statement: Today, the standard unit of mass is defined in terms of A) a specified volume of water at 4 °C. B) a standard platinum -iridium cylinder. C) a specified number of cesium atoms. D) a standard platinum bar. E) the speed of light. Ans: B Difficulty: Medium SectionDef: Section 1 -2 and Section 1 -3 4. Comple te the following statement: Today, the standard unit of time is defined in terms of A) the electromagnetic waves emitted by cesium atoms. B) the motion of the moon around the earth. C) the motion of a precision pendulum. D) the average solar day. E) the speed of light. Ans: A Difficulty: Medium SectionDef: Section 1 -2 and Section 1 -3 5. The mass of a raindrop is 4 milligrams. Which one of the following statements indicates the correct mass of the raindrop in grams? A) The raindrop has a mass of 4 × 106 grams. B) The raindrop has a mass of 4 × 10–3 grams. C) The raindrop has a mass of 4 × 10–1 grams. D) The raindrop has a mass of 4 × 103 grams. E) The raindrop has a mass of 4 × 10–6 grams. Ans: B Difficulty: Mediu m SectionDef: Section 1 -2 and Section 1 -3 6. Which one of the following is the longest length? A) 100 meters B) 102 centimeters C) 104 milli me ters D) 105 micrometers E) 107 nanometers 3 All information provided for reference only Join us on Facebook.com/thetopgrades Ans: C Difficulty: Medium SectionDef: Section 1 -2 and Section 1 -3 7. In a diving competition, a woman dives from a platform that is ten meters above the surface of the water. What is the height, expressed in feet, of the platform? A) 13 feet B) 18 feet C) 24 feet D) 33 f eet E) 47 feet Ans: D Difficulty: Medium SectionDef: Section 1 -2 and Section 1 -3 8. A candy shop sells a pound of chocolate for $ 10.85. What is the price of 1.50 kg of chocolate at the shop? A) $ 8.17 B) $ 13.49 C) $ 17.98 D) $ 29.73 E) $ 35.81 Ans: E Difficulty: Hard SectionDef: Section 1 -2 and Section 1 -3 9. Complete the following statement: The ratio 1 milligram1 kilogram is equal to A) 102. B) 103. C) 106. D) 10–3. E) 10–6. Ans: E Difficulty: Medium SectionDef: Section 1 -2 and Section 1 -3 4 All information provided for reference only Join us on Facebook.com/thetopgrades 10. Which one of the following choices is equivalent to 8.0 m2? A) 8.0 × 10–4 cm2 B) 8.0 × 102 cm2 C) 8.0 × 10–2 cm2 D) 8.0 × 104 cm2 E) 8.0 × 103 cm2 Ans: D Difficulty: Hard SectionDef: Section 1 -2 and Section 1 -3 11. Which one of the following pairs of units may not be added together, even after the appropriate unit conversions have been made? A) grams and milligrams B) kilometers and kilograms C) miles and kilometers D) slugs and kilograms E) centimeters and yards Ans: B Difficulty: Easy SectionDef: Section 1-2 and Section 1 -3 12. Which one of the following choices is equivalent to 44.5 mm? A) 4.45 × 101 m B) 4.45 × 10–2 m C) 44.5 × 10–1 m D) 44.5 × 10–2 m E) 4.45 × 100 m Ans: B Difficulty: Medium SectionDef: Section 1 -2 and Section 1 -3 13. Which one of the following choices is equivalent to 152 m? A) 1.52 × 101 m 5 All information provided for reference only Join us on Facebook.com/thetopgrades B) 1.52 × 102 m C) 1.52 × 10–1 m D) 1.52 × 10–2 m E) 1.52 × 100 m Ans: B Difficulty: Easy SectionDef: Section 1 -2 and Section 1 -3 14. In the sport of horseshoe pitch ing, two stakes are 40.0 feet apart. What is the distance in meters between the two stakes? A) 24.4 m B) 4.80 m C) 18.3 m D) 12.2 m E) 15.7 m Ans: D Difficulty: Medium SectionDef: Section 1 -2 and Section 1 -3 15. The Boston Marathon is the oldest annual foot race, in which those that finish complete a distance of 26 miles, 385 yards. Express this distance in kilometers. A) 16.295 km B) 16.398 km C) 42.186 km D) 42.453 km E) 56.496 km Ans: C Difficulty: Med ium SectionDef: Section 1 -2 and Section 1 -3 16. The surface of a lake has an area of 15.5 km2. What is the area of the lake in m2? A) 1.55 × 104 m2 B) 1.55 × 105 m2 C) 1.55 × 106 m2 D) 1.55 × 107 m2 E) 1.55 × 108 m2 6 All information provided for reference only Join us on Facebook.com/thetopgrades Ans: D Difficulty: Hard SectionDef: Section 1 -2 and Section 1 -3 17. The mathematical relationship between three physical quantities is given by 2bac . If the dimension of b is; [L][T] and the dimension of c is [L]. Which one of the following choices is the dimension of a? A) [L] B) 2[L][T] C) [L][T] D) [T] E) 22[L][T] Ans: B Difficulty: Medium SectionDef: Section 1 -2 and Section 1 -3 18. The distance d that a certain part icle moves may be calculated from the expression d = at + bt2 where a and b are constants; and t is the elapsed time. What must the dimensions of the quantities a and b be, respectively? A) 2[L] [L],[T][T] B) [L], [L]2 C) 23[L] [L],[T] [T] D) 22[L] [L],[T][T] E) 211,[T][T] Ans: A Difficulty: Medium SectionDef: Section 1 -2 and Section 1 -3 7 All information provided for reference only Join us on Facebook.com/thetopgrades 19. Using the dimensions given for the variables in the table, determine which one of the following expressions is correct. variable dimension f 1[T] l [L] g 2[L][T] A) 2gflS B) f = 2Sgl C) 2gflS D) 2lfgS E) 2fg lS Ans: C Difficulty: Hard SectionDef: S ection 1 -2 and Section 1 -3 20. A certain physical quantity, R, is calculated using the formula: R = 4a2(b – c) where a, b, and c are distances. What is the SI unit for R? A) cm B) cm2 C) m D) m2 E) m3 Ans: E Difficulty: Medium SectionDef: Section 1 -2 and Section 1 -3 8 All information provided for reference only Join us on Facebook.com/thetopgrades 21. Which one of the following expressions may be used to correctly find the angle T in the drawing? A) 15cos2T§· ¨¸©¹ B) 15tan2T§· ¨¸©¹ C) 12sin5T§· ¨¸©¹ D) 12tan5T§· ¨¸©¹ E) 15sin2T§· ¨¸©¹ Ans: B Difficulty: Easy SectionDef: Section 1 -4 22. The length of each side of a square is 4.0 m. What is the length of the diagonal of the square (shown as a dashed line in the figure)? A) 2.8 m B) 8.0 m C) 5.7 m D) 6.8 m E) 16 m Ans: D Difficulty: Medium SectionDef: Section 1 -4 9 All information provided for reference only Join us on Facebook.com/thetopgrades 23. Three sticks are arranged to f orm a right triangle. If the lengths of the three sticks are 0.47 m, 0.62 m and 0.78 m, what are the three angles of the triangle? A) 90°, 45°, and 45° B) 90°, 62°, and 28° C) 90°, 59°, and 31° D) 90°, 48°, and 42° E) 90°, 53°, and 37° Ans: E Difficulty: Medium SectionDef: Section 1 -4 24. A 3.0 -m ladder leans against a wall and makes an angle with the wall of 28° as shown in the drawing. What is the height h above the ground where the ladder makes contact with the wall? A) 2.6 m B) 2.3 m C) 2.1 m D) 1.9 m E) 1.6 m Ans: A Difficulty: Medium SectionDef: Section 1 -4 25. A pole is held vertically by attaching wires at a height of 13.4 m above the ground. The other end of each wire is anchored in the ground at a distance of 9.54 m from the base of the pole. The pole makes a right angle with the ground. What is the length of each wire? A) 14.1 m B) 19.7 m C) 11.5 m D) 16.4 m E) 22.8 m 10 All information provided for reference only Join us on Facebook.com/thetopgrades Ans: D Difficulty: Hard SectionDef: Section 1 -4 26. A certain mountain road is inclined 3.1° with respect to the horizon. What is the change in altitude of the car as a result of its traveling 2.90 km along the road? A) 157 m B) 181 m C) 116 m D) 203 m E) 289 m Ans: A Difficulty: Hard SectionDef: Section 1 -4 27. A surveyor wants to find the distance across a river. A stake is placed on each bank of the river as shown in the figure. She measures a distance of 30.0 m from one stake to another on the same side of the river, thus finding the third vertex on a right triangle. She then measures the angle T and finds it equal to 75.9°. What is the distance across the river? A) 89.2 m B) 15.3 m C) 119 m D) 268 m E) 29.0 m Ans: C Difficulty: Medium SectionDef: Section 1 -4 28. Which one of the following choices is a vector quantity? 11 All information provided for reference only Join us on Facebook.com/thetopgrades A) mass B) temperature C) time D) displacem ent E) volume Ans: D Difficulty: Easy SectionDef: Section 1 -5 and 1 -6 29. Which one of the following quantities is a vector quantity? A) the age of the earth B) the mass of a freight train C) the earth's pull on your body D) the temperature of an iced coffee E) the number of people attending a soccer game Ans: C Difficulty: Medium SectionDef: Section 1 -5 and 1 -6 30. Which one of the following statements is true concerning scalar quantities? A) Scalar quantities must be represented by base units. B) Scalar quantities have both magnitude and direction. C) Scalar quantities can be added to vector quantities using rules of trigonometry. D) Scalar quantities can be added to other scalar quantities using rules of trigon ometry. E) Scalar quantities can be added to other scalar quantities using rules of ordinary addition. Ans: E Difficulty: Medium SectionDef: Section 1 -5 and 1 -6 31. Two vectors A and B are added together to form a vector C . The rel ationship between the magnitudes of the vectors is given by A + B = C. Which one of the following statements concerning these vectors is true? A) A and B must be displacements. B) A and B must have equal l engths. C) A and B must point in opposite directions. D) A and B must point in the same direction. 12 All information provided for reference only Join us on Facebook.com/thetopgrades E) A and B must be at right angles to each other. Ans: D Difficulty: Hard SectionDef: Section 1 -5 and 1 -6 32. Two vectors A and B are added together to form a vector C . The relationship between the magnitudes of the vectors is given by: A2 + B2 = C2. Which statement concerning these vectors is true? A) A and B must be at right angles to each other. B) A and B could have any orientation relative to each other. C) A and B must have equal lengths. D) A and B must be parallel. E) A and B could be antiparallel. Ans: A Difficulty: Medium SectionDef: Section 1 -5 and 1 -6 33. Three vectors A , B , and C add together to yield zero: A + B + C = 0. The vectors A and C point in opposite direction s and their magnitudes are related by the expression: A = 2C. Which one of the following conclusions is correct? A) A and B have equal magnitudes and point in opposite directions. B) B and C have equal magnitudes and point in the same direction. C) B and C have equal magnitudes and poi nt in opposite directions. D) A and B point in the same direction, but A has twice the magnitude of B . E) B and C point in the same direction, but C has twice the magnitude of B . Ans: B Difficulty: Hard SectionDef: Section 1 -5 and 1 -6 34. What is the angle between the vectors A and –A when they are drawn from a common origin? A) 0° 13 All information provided for reference only Join us on Facebook.com/thetopgrades B) 90° C) 180° D) 270° E) 360° Ans: C Difficulty: Easy SectionDef: S ection 1 -5 and 1 -6 35. What is the minimum number of vectors with unequal magnitudes whose vector sum can be zero? A) two B) three C) four D) five E) six Ans: B Difficulty: Medium SectionDef: Section 1 -5 and 1 -6 36. What is the mi nimum number of vectors with equal magnitudes whose vector sum can be zero? A) two B) three C) four D) five E) six Ans: A Difficulty: Easy SectionDef: Section 1 -5 and 1 -6 37. A physics student adds two displacement vectors with magnitudes of 8.0 km and 6.0 km. Which one of the following statements is true concerning the magnitude of the resultant displacement? A) It must be 10.0 km. B) It must be 14.0 km. C) It could be equ al to zero kilometers, depending on how the vectors are oriented. D) No conclusion can be reached without knowing the directions of the vectors.