Dimensional Analysis

Multiple Select

Which of the following statements about dimensional analysis is/are correct?

• Dimensions can be treated algebraically like numbers.

• Conversion factors are created from equalities.

• A conversion factor always equals zero.

• m/m equals 1.

Multiple Choice

From the equality 1 kg = 1000 g, which of the following is a valid conversion factor?

• 1 kg/1000 g

• 1000 g/1 kg

• 1 kg/1 g

• 1000 kg/1 g

Multiple Select

Select all the conversion factors used in the process of converting 10 miles per hour to meters per hour.

• 1 km / 0.62 miles

• 1000 m / 1 km

• 1 hr / 60 min

• 1 min / 60 s

Multiple Choice

What is the final answer when converting 10 miles per hour to meters per hour using dimensional analysis?

• 16,129 m/hr

• 4.5 m/s

• 10 m/hr

• 1,000 m/hr

Multiple Choice

Use dimensional analysis to determine how many minutes are in a year?

• I can't count that high.
• 525,600min
• 52,560min
• 31,536,000min

Multiple Choice

Convert 10 miles per hour to meters per second. What is the final answer?

• 16,129 m/hr

• 4.5 m/s

• 2.78 m/s

• 6.21 m/s

Multiple Choice

Dimensional analysis is often used to convert units. What is the result when you convert 24 inches to feet using dimensional analysis?

• 1 foot

• 2 feet

• 12 feet

• 24 feet