Dimensional Analysis Practice                                                Name ____________________________________

Text Box: Equivalence Statements 1 gal = 4 qt 1 in = 2.54 cm 1 L = 1.06 qt 1 lb = 454 g 1 mi =1760 yds 1 pint = 2 cups 1 qt = 2 pints 1 ton = 2000 lbs 1 yd = 3 ft. 1 mile = 1.61 km 1 m = 1.094 yds 1 L = 1000 cm3

Answer the following questions. Show Your work and include the units. Round to the correct number of significant figures.

 

1. Convert the following.

A.    140,000 miles to kilometers

B.     30.0 days to seconds

C.     15 pints to milliliters

D.    50.5 kilometers to feet

E.     23 qts = ?L

2. In The Lord of the Rings, Frodo and Sam use a rope to rappel down a cliff. The rope was 30 ells long. How high was the cliff in meters if the rope reached the bottom? (1 ell = 45 in)

3. Calculate the number of laboratory reports must I grade if each student does 25 experiments. I have 5 classes of 32 students each. (start with 5 classes)

4. Visible light, as well as ultraviolet, infrared, X-ray, and other radiation, is characterized by what is called wavelength. The wavelength of certain infrared light is 30 µm. How many feet is this?

5. The distance between Los Angeles and Denver is 1182 mi. How many kilometers is this?

6. Express 48 cal/s in J/hr

7. A NASCAR racecar can attain speeds over 195 mi/hr on super speedways. How fast is this in km/hr?