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Chapter 1: Systems of Measurement

Chapter 1: Systems of Measurement. Section 1-2: Units. Which of the following is a fundamental unit of the SI system of units?. kilometer joule kilogram gram newton  . Which of the following is a fundamental unit of the SI system of units?. kilometer joule

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Chapter 1: Systems of Measurement

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  1. Chapter 1: Systems of Measurement Section 1-2: Units

  2. Which of the following is a fundamental unit of the SI system of units? kilometer joule kilogram gram newton  

  3. Which of the following is a fundamental unit of the SI system of units? kilometer joule kilogram gram newton  

  4. The SI unit for mass is • g • mg • g • kg • lb

  5. The SI unit for mass is • g • mg • g • kg • lb

  6. Which of the following is NOT one of the fundamental physical quantities in the SI system? • mass • length • force • time • All the answers are fundamental physical quantities in the SI system.

  7. Which of the following is NOT one of the fundamental physical quantities in the SI system? • mass • length • force • time • All the answers are fundamental physical quantities in the SI system.

  8. Which of the following is NOT one of the fundamental units in the SI system? • Newton • meter • kilogram • second • All the answers are fundamental units in the SI system.

  9. Which of the following is NOT one of the fundamental units in the SI system? • Newton • meter • kilogram • second • All the answers are fundamental units in the SI system.

  10. The prefix "giga" means • 1012 • 106 • 103 • 109 • 1015

  11. The prefix "giga" means • 1012 • 106 • 103 • 109 • 1015

  12. The prefix "nano" means • 10–12 • 10–6 • 10–3 • 10–2 • None of these is correct.

  13. The prefix "nano" means • 10–12 • 10–6 • 10–3 • 10–2 • None of these is correct.

  14. Which of the following prefixes does NOT represent a fractional part of a whole unit? • nano • micro • kilo • milli • deci

  15. Which of the following prefixes does NOT represent a fractional part of a whole unit? • nano • micro • kilo • milli • deci

  16. Which of the following prefixes does NOT represent a quantity larger than a single unit? • kilo • mega • giga • tera • femto

  17. Which of the following prefixes does NOT represent a quantity larger than a single unit? • kilo • mega • giga • tera • femto

  18. Chapter 1: Systems of Measurement Section 1-3: Conversion of Units

  19. The density of seawater was measured to be 1.07 g/cm3. This density in SI units is • 1.07 kg/m3 • (1/1.07)  103 kg/m3 • 1.07  103 kg • 1.07  10–3 kg • 1.07  103 kg/m3

  20. The density of seawater was measured to be 1.07 g/cm3. This density in SI units is • 1.07 kg/m3 • (1/1.07)  103 kg/m3 • 1.07  103 kg • 1.07  10–3 kg • 1.07  103 kg/m3

  21. To convert a quantity from g/cm3 to kg/m3, you must • multiply by 0.01. • multiply by 100. • multiply by 1000. • multiply by 0.001. • multiply by 1,000,000.

  22. To convert a quantity from g/cm3 to kg/m3, you must • multiply by 0.01. • multiply by 100. • multiply by 1000. • multiply by 0.001. • multiply by 1,000,000.

  23. To convert a quantity from km/h to m/s, you must • multiply by 1000 and divide by 60. • multiply by 1000 and divide by 3600. • multiply by 60 and divide by 1000. • multiply by 3600 and divide by 1000. • None of these is correct.

  24. To convert a quantity from km/h to m/s, you must • multiply by 1000 and divide by 60. • multiply by 1000 and divide by 3600. • multiply by 60 and divide by 1000. • multiply by 3600 and divide by 1000. • None of these is correct.

  25. To convert a quantity from m/s to km/h, you must • multiply by 1000 and divide by 60. • multiply by 1000 and divide by 3600. • multiply by 60 and divide by 1000. • divide by 1000 and multiply by 3600. • None of these is correct.

  26. To convert a quantity from m/s to km/h, you must • multiply by 1000 and divide by 60. • multiply by 1000 and divide by 3600. • multiply by 60 and divide by 1000. • divide by 1000 and multiply by 3600. • None of these is correct.

  27. A distance, in km, is divided by a speed in m/s. The answer will be in • meters, if you divide by 1000. • meters, if you multiply by 1000. • seconds, if you divide by 1000. • seconds, if you multiply by 1000. • meters squared per second, if you multiply by 1000.

  28. A distance, in km, is divided by a speed in m/s. The answer will be in • meters, if you divide by 1000. • meters, if you multiply by 1000. • seconds, if you divide by 1000. • seconds, if you multiply by 1000. • meters squared per second, if you multiply by 1000.

  29. In doing a calculation, you end up with a fraction having m/s in the numerator and m/s2 in the denominator. The result will have units of • m2/s3 • s–1 • s3/m2 • s • m/s

  30. In doing a calculation, you end up with a fraction having m/s in the numerator and m/s2 in the denominator. The result will have units of • m2/s3 • s–1 • s3/m2 • s • m/s

  31. Ifxandtrepresent distance and time, respectively, theCinx = ½ Ct2must • have the dimensions kgm/s2. • have the dimensions kg. • have the dimensions m/s2. • have the dimensions m2/s2. • be dimensionless.

  32. Ifxandtrepresent distance and time, respectively, theCinx = ½ Ct2must • have the dimensions kgm/s2. • have the dimensions kg. • have the dimensions m/s2. • have the dimensions m2/s2. • be dimensionless.

  33. Chapter 1: Systems of Measurement Section 1-5: Significant Figures and Order of Magnitude

  34. The measurement 5.13010–4 has ___ significant figures. • two • three • one • seven • four

  35. The measurement 5.13010–4 has ___ significant figures. • two • three • one • seven • four

  36. The measurement 23.0040 has ___ significant figures. • six • three • five • four • two

  37. The measurement 23.0040 has ___ significant figures. • six • three • five • four • two

  38. Which of the following represents a value of current measured to five significant figures? • 2.375  104 Amperes • 0.00347 Amperes • 3.0  105 Amperes • 23.75  101 Amperes • 50.300 Amperes

  39. Which of the following represents a value of current measured to five significant figures? • 2.375  104 Amperes • 0.00347 Amperes • 3.0  105 Amperes • 23.75  101 Amperes • 50.300 Amperes

  40. The number of seconds in a month is of the order of • 104 • 106 • 108 • 1010 • 1012

  41. The number of seconds in a month is of the order of • 104 • 106 • 108 • 1010 • 1012

  42. Light travels at 3108 m/s, and it takes about 8 min for light from the Sun to travel to the Earth. Based on this, the order of magnitude of the distance from the Sun to the Earth is • 105 m • 107 m • 109 m • 1011 m • 1013 m

  43. Light travels at 3108 m/s, and it takes about 8 min for light from the Sun to travel to the Earth. Based on this, the order of magnitude of the distance from the Sun to the Earth is • 105 m • 107 m • 109 m • 1011 m • 1013 m

  44. The size of a proton is of the order of 10–15 m and the size of the visible universe is of the order of 1026 m. From this information you can conclude that • the size of the universe is 26 orders of magnitude greater than that of the proton. • the size of the universe is 41 orders of magnitude greater than that of the proton. • the size of the proton is 11 orders of magnitude greater than that of the universe. • the size of the universe is 15 orders of magnitude greater than that of the proton. • the size of the proton is 15 orders of magnitude greater than that of the universe.

  45. The size of a proton is of the order of 10–15 m and the size of the visible universe is of the order of 1026 m. From this information you can conclude that • the size of the universe is 26 orders of magnitude greater than that of the proton. • the size of the universe is 41 orders of magnitude greater than that of the proton. • the size of the proton is 11 orders of magnitude greater than that of the universe. • the size of the universe is 15 orders of magnitude greater than that of the proton. • the size of the proton is 15 orders of magnitude greater than that of the universe.

  46. Chapter 1: Systems of Measurement Section 1-7: General Properties of Vectors

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