Unit Conversion Practice

 

 

Set A  Convert the following values to base units.  (Use scientific notation if necessary.)

 

  1. Diameter of the Moon,  3.5 Mm
  2. Diameter of the Earth,  12.8 Mm
  3. Energy of Spallation Neutron Source,  800 MeV
  4. Diameter of the Sun,  1.39 Gm
  5. Astronomical Unit (AU), 149.6 Gm
  6. Parsec,  3.09 × 1013 km
  7. Light-year,  9.46 × 1012 km
  8. Diameter of Ceres (largest asteroid),  940 km
  9. He-Ne laser wavelength,  630 nm
  10. Minimum wavelength Chandra Telescope,  0.1 nm
  11. Hydrogen emission line,  21 cm
  12. Age at which protons formed,  2 μs
  13. Spitzer Telescope wavelength,  90 μm
  14. Thrust ion propulsion,  91 mN
  15. VLTI resolution, 2.4 milliarcseconds

 

Set B  Make the following conversions.

  1. 343 m/s to km/h
  2. 343 m/s to mph
  3. 65 mph to m/s
  4. 1.3 L to cm3
  5. 14.7 lb/in2 to lb/ft2
  6. 1410 kg/m3 to g/mL
  7. 1.00 g/mL to kg/m3
  8. 365.24 d to s
  9. 9.80 m/s2 to mi/h2

 

 

Set A

  1. 3.5 × 106 m
  2. 1.28 × 107 m
  3. 8 × 108 eV
  4. 1.39 × 109 m
  5. 1.496 × 1011 m
  6. 3.09 × 1016 m
  7. 9.46 × 1015 m
  8. 9.4 × 105 m
  9. 6.3 × 10–7 m
  10. 1 × 10–10 m
  11. 0.21 m
  12. 2 × 10–6 s
  13. 9  × 10–5 m
  14. 0.091 N
  15. 2.4 × 10–3 arcseconds

 

Set B

  1. 1230 km/h
  2. 767 mph
  3. 29 m/s
  4. 1300 cm3
  5. 2120 lb/ft2
  6. 1.41 g/mL
  7. 1000 kg/m3
  8. 3.16 × 107 s
  9. 78900 mi/h2