TEST BANK For Physics for Scientists & Engineers with Modern Physics 5th Edition by Douglas C. Giancoli | All Chapters,

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TESTBANK For Physics for Scientists & Engineers with Modern Physics 5e Douglas C. Giancoli, All Chapters, 100% Original Verified, A+ Grade-MULTIPLE CHOICE. Choose the one alternative that best complet... es the statement or answers the question. 1) Metric system: The current definition of the standard second of time is based on 1) A) the earth's rotation rate. B) the frequency of radiation emitted by cesium atoms. C) the oscillation of a particular pendulum kept in France. D) the duration of one year. 2) Metric system: The current definition of the standard kilogram of mass is based on 2) A) the mass of the sun. B) the mass of the earth. C) the mass a particular object kept in France. D) the mass of a cesium-133 atom. 3) Significant figures: The number 0.003010 has 3) A) 6 significant figures. B) 4 significant figures. C) 2 significant figures. D) 7 significant figures. 4) Conversion of units: A person on a diet loses 1.6 kg in a week. How many micrograms/second (ȝg/s) are lost? 4) A) 2.6 × 103 ȝg/s B) 44 ȝg/s C) 1.6 × 105 ȝg/s D) 6.4 × 104 ȝg/s 5) Estimation: Approximately how many pennies would you have to stack to reach an average 8-foot ceiling? 5) A) 2 × 103 B) 2 × 105 C) 2 × 104 D) 2 × 102 E) 2 × 106 6) Scientific notation: 0.00325 × 10-8 cm can also be expressed in mm as 6) A) 3.25 × 10-11 mm. B) 3.25 × 10-9 mm. C) 3.25 × 10-12 mm. D) 3.25 × 10-10 mm. E) 3.25 × 10-8 mm. 7) Significant figures: What is 0.2052/3, expressed to the proper number of significant figures? 7) A) 0.3 B) 0.3477 C) 0.348 D) 0.35 1 Chapter 1 Physics for Scientists & Engineers with Modern Physics 5e Douglas C. Giancoli (Test Bank All Chapters, 100% Original Verified, A+ Grade) Answers At The End Of Each Chapter 8) Significant figures: If, in a parallel universe, ʌ has the value 3.14149, express ʌ in that universe to four significant figures. 8) A) 3.142 B) 3.1414 C) 3.1415 D) 3.141 9) Conversion of units: If an operatic aria lasts for 5.75 min, its length expressed in seconds is x s, where x is 9) A) greater than 5.75. B) less than 5.75. 10) Conversion of units: Convert a speed of 4.50 km/h to units of ft/min. (1.00 m = 3.28 ft) 10) A) 886 ft/min B) 0.246 ft/min C) 246 ft/min D) 82.3 ft/min E) 165 ft/min 11) Significant figures: The length and width of a rectangle are 1.125 m and 0.606 m, respectively. Multiplying, your calculator gives the product as 0.68175. Rounding properly to the correct number of significant figures, the area should be written as 11) A) 0.68 m2. B) 0.682 m2. C) 0.6818 m2. D) 0.7 m2. E) 0.68175 m2. 12) Estimation: A marathon is 26 mi and 385 yd long. Estimate how many strides would be required to run a marathon. Assume a reasonable value for the average number of feet/stride. 12) A) 4.5 × 104 strides B) 4.5 × 106 strides C) 4.5 × 105 strides D) 4.5 × 103 strides 13) Significant figures: When adding two numbers, the number of significant figures in the sum is equal to the number of significant figures in the least accurate of the numbers being added. 13) A) True B) False 14) Significant figures: What is the product of 11.24 and 1.95 written with the correct number of significant figures? 14) A) 22 B) 21.9 C) 21.92 D) 21.918 E) 21.9180 15) Conversion of units: The exhaust fan on a typical kitchen stove pulls 600 CFM (cubic feet per minute) through the filter. Given that 1.00 in. = 2.54 cm, how many cubic meters per second does this fan pull? 15) A) 3.05 m3/sec B) 0.283 m3/sec C) 32.8 m3/sec D) 0.328 m3/sec 2 16) Dimensional analysis: The position x, in meters, of an object is given by the equation x = A + Bt + Ct2, where t represents time in seconds. What are the SI units of A, B, and C? 16) A) m, s, s B) m, m, m C) m, s, s2 D) m/s, m/s2, m/s3 E) m, m/s, m/s2 17) Scientific notation: Convert 1.2 × 10-3 to decimal notation. 17) A) 1.200 B) 0.1200 C) 0.0120 D) 0.0012 E) 0.00012 18) Significant figures: Express (4.3 × 106) -1/2 in scientific notation. 18) A) 2.1 × 10-5 B) 4.8 × 10-4 C) 2.1 × 103 D) 2.1 × 104 19) Metric system: The current definition of the standard meter of length is based on 19) A) the length of a particular object kept in France. B) the distance traveled by light in a vacuum. C) the distance between the earth and the sun. D) the distance between the earth's equator and north pole. 20) Conversion of units: A plot of land contains 5.8 acres. How many square meters does it contain? [1 acre = 43,560 ft2] 20) A) 7.1 × 103 m2 B) 7.0 × 104 m2 C) 5.0 × 104 m2 D) 2.3 × 104 m2 21) Conversion of units: The shortest wavelength of visible light is approximately 400 nm. Express this wavelength in centimeters. 21) A) 400 × 10-11 cm B) 4 × 10-5 cm C) 4 × 10-9 cm D) 4 × 10-7 cm E) 4 × 10-11 cm 22) Significant figures: What is the sum of 1123 and 10.3 written with the correct number of significant figures? 22) A) 1.1 × 103 B) 1.13 × 103 C) 1133.3 D) 1133.3000 E) 1133 3 23) Conversion of units: The following exact conversion equivalents are given: 1 m = 100 cm, 1 in = 2.54 cm, and 1 ft = 12 in. If a computer screen has an area of 1.27 ft2, this area is closest to 23) A) 0.284 m2. B) 0.00284 m2. C) 0.0465 m2. D) 0.118 m2. E) 4.65 m2. 24) Conversion of units: A weight lifter can bench press 171 kg. How many milligrams (mg) is this? 24) A) 1.71 × 108 mg B) 1.71 × 109 mg C) 1.71 × 107 mg D) 1.71 × 106 mg 25) Estimation: Approximately how many times does an average human heart beat in a year? 25) A) 4 × 107 B) 4 × 109 C) 4 × 106 D) 4 × 108 E) 4 × 105 26) Significant figures: What is 34 + (3) × (1.2465) written with the correct number of significant figures? 26) A) 38 B) 37.7 C) 37.74 D) 37.7395 E) 4 × 101 27) Conversion of units: If a flower is 6.5 cm wide, its width expressed in millimeters is x mm, where x is 27) A) less than 6.5. B) greater than 6.5. 28) Conversion of units: In addition to 1 m = 39.37 in., the following exact conversion equivalents are given: 1 mile = 5280 ft , 1 ft = 12 in , 1 hour = 60 min, and 1 min = 60 s. If a particle has a velocity of 8.4 miles per hour, its velocity, in m/s, is closest to 28) A) 4.1 m/s. B) 4.5 m/s. C) 3.8 m/s. D) 3.4 m/s. E) 3.0 m/s. 29) Estimation: Estimate the number of pennies that would fit in a box one foot long by one foot wide by one foot tall. 29) A) 5 × 104 B) 5 × 103 C) 5 × 105 D) 5 × 102 E) 5 × 106 30) Dimensional analysis: The period of a pendulum is the time it takes the pendulum to swing back and forth once. If the only dimensional quantities that the period depends on are the acceleration of gravity, g, and the length of the pendulum, Ɛ, what combination of g and Ɛ must the period be proportional to? (Acceleration has SI units of m  s-2.). 30) A) gƐ B) gƐ C) Ɛ/g D) gƐ2 E) gƐ 4 31) Conversion of units: How many nanoseconds does it take for a computer to perform one calculation if it performs 6.7 × 107 calculations per second? 31) A) 65 ns B) 67 ns C) 15 ns D) 11 ns 32) Significant figures: What is 0.674 0.74 to the proper number of significant figures? 32) A) 0.9 B) 0.911 C) 0.9108 D) 0.91 33) Significant figures: What is the difference between 103.5 and 102.24 written with the correct number of significant figures? 33) A) 1 B) 1.3 C) 1.26 D) 1.260 E) 1.2600 34) Estimation: The mass of a typical adult woman is closest to 34) A) 75 kg. B) 20 kg. C) 35 kg. D) 150 kg. 35) Conversion of units: If a tree is 15 m tall, its height expressed in feet is x ft, where x is 35) A) greater than 15. B) less than 15. 36) Conversion of units: The wavelength of a certain laser is 0.35 micrometers, where 1 micrometer = 1 × 10-6 m. Express this wavelength in nanometers. 36) A) 3.5 × 104 nm B) 3.5 × 102 nm C) 3.5 × 103 nm D) 3.5 × 101 nm 37) Scientific notation: 0.0001776 can also be expressed as 37) A) 1.776 × 10-3. B) 1.776 × 10-4. C) 17.72 × 104. D) 1772 × 105. E) 177.2 × 107. 38) Significant figures: Add 3685 g and 66.8 kg and express your answer in milligrams (mg). 38) A) 7.05 × 106 mg B) 7.05 × 107 mg C) 7.05 × 105 mg D) 7.05 × 104 mg 39) Estimation: Estimate the number of times the earth will rotate on its axis during a human's lifetime. 39) A) 3 × 104 B) 3 × 107 C) 3 × 108 D) 3 × 105 E) 3 × 106 [Show More]

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