Conceptual Questions 1) Four students measure the mass of an object, each using a different scale. They record their results as follows: Student A B C D
... [Show More] Mass (g ) 49.06 49 50 49.2 Which student used the least precise scale? A) A B) B C) C D) D Answer: C Diff: 1 Page Ref: Sec. 1.4 2) Four students measure the mass of an object, each using a different scale. They record their results as follows: Student A B C D Mass (g ) 49.06 49 50 49.2 Which student used the most precise scale? A) A B) B C) C D) D Answer: A Diff: 1 Page Ref: Sec. 1.4 3) A useful method of expressing very small or very large numbers is A) scientific notation. B) arabic numerals. C) the metric system. D) roman numerals. Answer: A Diff: 1 Page Ref: Sec. 1.4 1 Chapter 1: Introduction, Measurement, Estimating 4) All of the following are base units of the SI system except: A) kilogram. B) kelvin. C) meter. D) volt. Answer: D Diff: 1 Page Ref: Sec. 15-1.6 5) Select the list which contains only SI basic units. A) liter, meter, second, watt B) joule, kelvin, kilogram, watt C) candela, kelvin, meter, second D) joule, newton, second, watt Answer: C Diff: 1 Page Ref: Sec. 1.5-1.6 6) How many basic units does the SI system have? A) four B) five C) seven D) ten Answer: C Diff: 1 Page Ref: Sec. 1.5-1.6 7) The base SI unit of time is A) hour. B) minute. C) second. D) millisecond. Answer: C Diff: 1 Page Ref: Sec. 1.5-1.6 8) In the CGS system, what are the fundamental units? A) Newton, centimeter, second B) kilogram, meter, second C) gram, centimeter, minute D) gram, centimeter, second Answer: D Diff: 2 Page Ref: Sec. 1.5-1.6 2 Physics: Principles with Applications, Sixth Edition 9) The metric prefix for one one-thousandth is A) milli. B) centi. C) kilo. D) mega. Answer: A Diff: 1 Page Ref: Sec. 1.5-1.6 10) The metric prefix for one one-hundredth is A) milli. B) centi. C) kilo. D) mega. Answer: B Diff: 1 Page Ref: Sec. 1.5-1.6 11) The metric prefix for one thousand is A) milli. B) centi. C) kilo. D) mega. Answer: C Diff: 1 Page Ref: Sec. 1.5-1.6 12) Express the number 0.02 days using a prefix of Table 1-4. A) 2 decidays B) 2 centidays C) 2 millidays D) 2 microdays Answer: B Diff: 1 Page Ref: Sec. 1.5-1.6 13) What is the conversion factor between km/h and m/s? A) 0.0278 m/s B) 0.278 m/s C) 3.60 m/s D) 16.7 m/s Answer: B Diff: 1 Page [Show Less]