Practice) a. To convert feet (ft) to meters (m), the number of feet should be multiplied by which of the following conversion factors? i. 1 m/3.28 ft ii. 3.28 ft/1 m b. To convert sq.in to sq.ft, the number of sq.in should be multiplied by which of the following conversion factors? i. 144 sq.in/1 sq.ft ii. 1 sq.ft/144 sq.in c. To convert sq.yd to sq.ft, the number of sq.yd should be multiplied by which of the following conversion factors? i. 1 sq.yd/9 sq.ft ii. 9 sq.ft/1 sq.yd 3. (Practice) Determine the final units of the following expression: 9.8m/s2 ×100cm/1m×1in/2.54cm×1ft/12in 4. (Practice) a. Determine the conversion factors that can be used to convert miles per gallon (mpg = mi/gal) to kilometers per liter (km/liter), given that 1 liter = 0.22 gallons and 1 kilometer = 0.6214 miles. b. Using the conversion factors you determined in Exercise 4a, convert 25 mpg into km/liter.
Practice) a. To convert feet (ft) to meters (m), the number of feet should be multiplied by which of the following conversion factors?
i. 1 m/3.28 ft ii. 3.28 ft/1 m
b. To convert sq.in to sq.ft, the number of sq.in should be multiplied by which of the
following conversion factors?
i. 144 sq.in/1 sq.ft ii. 1 sq.ft/144 sq.in
c. To convert sq.yd to sq.ft, the number of sq.yd should be multiplied by which of the following conversion factors?
i. 1 sq.yd/9 sq.ft ii. 9 sq.ft/1 sq.yd
3. (Practice) Determine the final units of the following expression:
9.8m/s2 ×100cm/1m×1in/2.54cm×1ft/12in
4. (Practice) a. Determine the conversion factors that can be used to convert miles per gallon (mpg = mi/gal) to kilometers per liter (km/liter), given that 1 liter = 0.22 gallons and 1 kilometer = 0.6214 miles.
b. Using the conversion factors you determined in Exercise 4a, convert 25 mpg into km/liter.
5. (Automotive) a. An automobile engine’s performance can be determined by monitoring its rotations per minute (rpm). Determine the conversion factors that can be used to con- vert rpm to frequency in Hertz (Hz), given that 1 rotation = 1 cycle, 1 minute = 60 sec- onds, and 1 Hz = 1 cycle/sec.
b. Using the conversion factors you determined in Exercise 5a, convert 2000 rpm into Hertz.
6. (Chemistry) a. Determine the final units of the following expression, which provides the
molecular weight of 1.5 moles of hydrogen peroxide: 1.5 moles × 34.0146 grams/mole?
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