Dimensional Analysis Day 2

Dimensional Analysis Day 2

​Find the best deal on foil.....

​Would you rather?...

Multiple Choice

Which conversion factor would you use to convert from cm to inches? (1 inch=2.54 cm)

• $$\frac{1\ in}{2.54\ cm}$$

• $$\frac{2.54\ cm}{1\ in}$$

• $$\frac{2.54\ in}{1\ cm}$$

Multiple Choice

In order to convert 25 km to miles using dimensional analysis, which conversion factor should be used? (1 km=.62137 mi)

• $$\frac{1\ mi}{5280\ ft}$$

• $$\frac{1\ km}{0.62137\ mi}$$

• $$\frac{0.62137\ mi}{1\ km}$$

Multiple Choice

Convert 40 ounces to pounds. (16oz = 1lb)

• 2.5 pounds

• .4 pounds

• 2/5 pounds

• 5 pounds

Multiple Choice

Which of the following processes is correct.

• $$0.006810\ lbs\ \times\ \frac{453.59\ g}{1\ lb}\ \times\ \frac{1000\ mg}{1\ g}\ =\ 3088\ mg$$

• $$925\ mile\ \times\ \frac{1\ mile}{5280\ feet}\ \times\ \frac{1.6093\ km}{1\ mile}\ =\ 0.282\ km$$

Multiple Choice

You know 1000 mg = 1 g. Convert 2.5 grams into milligrams.

• 25 mg

• 25,000 mg

• 250 mg

• 2500 mg

Multiple Choice

You know that 12 inches = 1 foot. Convert 60 inches to feet.

• 720 feet

• 5 feet

• 5 inches

• 72 feet

Multiple Choice

Convert 700 quarts per year to cups per year

• 2800 cups/year

• 1400 cups/year

• 175 cups/year

• 191.8 pints/day

Multiple Choice

Convert 20 tons per year to ounces per year

• 40,000 ounces/year

• 6.8 ounces/day

• 109.6 ounces/day

• 640,000 ounces/year

Multiple Choice

A pump dispenses 15 gallons of water

per minute. How would you convert this

rate to quarts per second using

conversion factors?

Multiple Choice

Convert 600 miles/2 days to miles/hour

• 25 miles/hour

• 28,800 miles/hour

• 12.5 miles/hour

• 12.5 feet/second

Multiple Choice

Convert 9,500 feet pr year to inches per day

• 2.2 inches/day

• 312.3 inches/day

• 3,123.4 inches/day

• 31.23 inches/day

Multiple Choice

Convert 2,500 gallons per year to cups per day

• 109.6 cups/day

• 54.8 cups/day

• 27.4 cups/day

• .43 cups/day