Dimensional Analysis

Question 1

A marathon is a 26.2-mile race that commemorates the run made by a Greek soldier, Pheidippides, that took place in 490 BCE. How many kilometers did he run? (Note: 1 mi = 1.6 km.)

Revolt · Accepted Answer

B: 41.9 km

Question 2

A sample of nitrogen in a glass bulb has a mass of 245 mg. What is this mass in kilograms? (Note: 1,000 mg = 1 g, 1,000 g = 1 kg.)

Revolt · Accepted Answer

B: 0.000245 kg

Question 3

Your dog has a mass of 45.5 lb. What is the dog’s mass in kilograms? (Note: 1 lb = 0.45 kg.)

Revolt · Accepted Answer

A: 20.5 kg

Question 4

A motorcycle engine is 600 cubic centimeters (600 cc). If 1 cm3 equals 1 mL of volume, how many liters are in the motorcycle engine? (Note: 1,000 mL = 1 L.)

Revolt · Accepted Answer

A: 0.6 L

Question 5

A clothing pattern calls for 4.81 yd2 of fabric. How many square inches of fabric does the pattern use? (Note: 1 yd = 3 ft., 1 ft = 12 in.)

Revolt · Accepted Answer

A: 6,230 in²

Dimensional Analysis Answers

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