dimensional analysis shrontz lesson2

Remember your conversion factors!

o You can look these up now, but on a test I will provide resources

Remember that using dimensional analysis, you have to use the "railroad tracks" to show the different conversions.

o You can look these up now, but on a test I will provide resources

Multiple Choice

Convert 40 kilograms to grams (1000 g = 1 kg)

• 400
• 4000
• 40000
• 40

Multiple Choice

Convert 30 inches to feet (12 in = 1 foot)

• 2.5
• 360
• .4
• 5.2

Multiple Choice

Convert 300 feet/hour into inches/seconds

• 10
• 100
• 1000
• 1000

Multiple Choice

How many inches are in 1 mile?
(Hint:  5280 ft = 1 mi)

• 66,330 in
• 63,360 in
• 63,660 in
• 63,066 in

Multiple Choice

Convert 4.80 cm to mm.  (1 cm = 10 mm)

• 4.80 mm
• 48 mm
• 480 mm
• 4800 mm

Multiple Choice

Convert 300 meters to centimeters (100 cm = 1 m)

• 3000 cm
• 0.3 cm
• 30,000 cm
• 3 cn

Multiple Choice

What unit is the largest unit

• km

• cg
• g
• dm
• mm

Multiple Choice

Convert 21120 feet to miles (5280 feet = 1 mile)

• 1
• 2
• 3
• 4

Multiple Choice

How many gallons are in 64 quarts?

• 16gal
• .25gal
• .75gal
• 1.5gal

Multiple Choice

Which of these would best fit in the box?

• 60 min

• 1 day

• 4 hrs

• 1 hr

Multiple Choice

Which of these would NOT be the appropriate unit in the box?

• 60 min

• 1 day

• 4 days/4

• 0.5 days/0.5

Multiple Choice

Which of these would be the appropriate unit in the box?

• 60 min

• 1 day

• 1 hour

• 1 year

Multiple Choice

Is there anything wrong with the dimensional analysis set up yes or no and why?

• yes, you have to have days in the denominator in the 2nd column to cancel with days in the first

• no, at the end of the dimensional analysis you will have days² which is very helpful

• no, in this set up the days cancel every time

• yes, minutes will cancel with days easily with days in the numerator

Multiple Choice

If the proper conversion is 2.2 lbs = 1 kg, then what should go in the empty box?

• 2.2 lbs

• 1000 g

• 1000 ml

• 1 L

Multiple Choice

Convert 26.2 m/s to km/hr

• 94.32 km/hr

• 3.41 km/hr

• 2.64 km/hr

• 0.98 km/hr

Multiple Choice

A 12 ounce bottle of shampoo lasts Joey 16 weeks. How long would you expect an 18 ounce bottle of the same brand to last him?

• 24 weeks

• 24 days

• 10.6 weeks

• 10.6 ounces

Multiple Choice

The Olympic record for the high jump is just over 2.6 yards. What is that distance in feet?

• 0.867 ft

• 7.8 ft

• 8.07 ft

• 8.27 ft

Multiple Choice

The waiting time to ride a roller coaster is 20 minutes when 150 people are in line. How long is the waiting time when 240 people are in line?

• 75 minutes

• 120 minutes

• 32 minutes

• 12.5 minutes

Multiple Choice

Gas costs $3.75 per gallon, and your car travels 32 miles for each gallon of gas. How far can you travel with $95?

• 11 miles

• 405 miles

• 950 miles

• 810 miles